NSN 4730-00-203-2662 AN818, AN8184B, AN818-4B
Product Details | TUBE COUPLING NUT
4730-00-203-2662 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.
Part Alternates: AN818, AN8184B, AN818-4B , AN8184C, AN818-4C , AN8184J, AN818-4J , AN8184S, AN818-4S , AN8188C, AN818-8C, AN8188J, AN818-8J, AS4841, NK8188J, NK818-8J, 52562990103, 525-629-90103 , 52562990106, 525-629-90106, 58791 , 67280158, 6728015-8, 754B505P2 , 8299461, 829946-1, 10111301 , 41677548, 416775-48 , 41677551, 416775-51, 4730-00-203-2662, 00-203-2662, 4730002032662, 002032662
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 01 JAN 1961 | 00-203-2662 | 03859 ( NUT, TUBE COUPLING ) |
Drawings & Photos | NSN 4730-00-203-2662
Demand History | NSN 4730-00-203-2662
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| AN8184J | 2025-10-280 | 225 | United States |
| AN8184J | 2025-06-174 | 10 | United States |
| AN8188J | 2025-05-122 | 14 | United States |
| AS4841 | 2025-04-106 | 1 | France |
| AN8184J | 2025-04-100 | 10 | United States |
| AN8184J | 2025-04-92 | 33 | Japan |
| AN8184J | 2025-03-79 | 10 | US |
| AN8184C | 2025-03-76 | 24 | United States |
| AN8188J | 2025-01-28 | 1 | United States |
| AN8184J | 2024-11-323 | 20 | United States |
| AN8188J | 2024-10-278 | 500 | United States |
| AN8184J | 2024-09-267 | 2 | United States |
| AN8184J | 2024-07-185 | 50 | United States |
| AN8184J | 2024-06-159 | 50 | United States |
| AN8188J | 2024-06-159 | 50 | United States |
| AN8188J | 2024-05-122 | 70 | United States |
| AN8184J | 2024-04-121 | 4 | United States |
| AN8184J | 2024-03-85 | 2830 | United States |
| AN8184J | 2023-03-72 | 10 | United States |
| AN8188J | 2023-03-72 | 5 | United States |
| AN8184J | 2022-05-144 | 40 | United States |
| AN8184J | 2022-04-108 | 6 | United States |
| AN8184J | 2022-02-32 | 20 | US |
| AN8188J | 2021-11-334 | 4 | us |
| AN8184J | 2021-10-298 | 490 | us |
| AN8184J | 2021-09-273 | 4 | us |
| AN8188J | 2021-09-271 | 5 | us |
| AN8184J | 2021-09-270 | 1 | US |
| AN8188C | 2021-09-270 | 5 | United States |
| AN8184J | 2021-09-245 | 8 | United States |
| AN8184J | 2020-09-261 | 18 | United States |
| AN8184J | 2020-08-223 | 4 | us |
| AN8184J | 2020-06-163 | 15 | United States |
| AN8188J | 2020-06-163 | 10 | United States |
| AN8184J | 2020-04-105 | 4 | United States |
| AN8184C | 2020-03-62 | 10 | US |
| AN8184J | 2020-01-13 | 125 | United States |
| AN8184J | 2019-09-270 | 205 | United States |
| AN8184J | 2019-07-200 | 10 | Turkey |
| AN8188J | 2019-07-200 | 10 | Turkey |
| AN8184J | 2018-07-187 | 2 | United States |
| 4730-00-203-2662 | 2018-05-151 | 90 | us |
| 4730-00-203-2662 | 2018-02-32 | 11122 | DIBBS |
| 4730-00-203-2662 | 2017-09-249 | 15997 | DIBBS |
| AN8184J | 2017-05-121 | 30 | United States |
| 4730-00-203-2662 | 2017-02-33 | 4043 | DIBBS |
| AN8184J | 2016-10-284 | 1 | United States |
| AN8188J | 2016-05-139 | 5 | US |
| 4730-00-203-2662 | 2016-05-124 | 2889 | DIBBS |
| AN8184J | 2016-01-15 | 1 | US |
| AN8188J | 2015-10-301 | 10 | United States |
| AN8188J | 2015-10-300 | 10 | us |
| AN8184J | 2015-08-222 | 4 | US |
| AN8184J | 2015-04-114 | 150 | United States |
| AN8184J | 2015-04-91 | 1 | United States |
| AN8184J | 2015-03-86 | 8 | United States |
| AN8188J | 2015-02-49 | 10 | United States |
| AN8188J | 2014-11-324 | 2 | US |
| AN8188J | 2014-10-300 | 10 | Canada |
| AN8188J | 2014-10-300 | 10 | Canada |
| AN8184J | 2014-08-218 | 80 | US |
| AN8184J | 2014-06-154 | 120 | United States |
| AN8188J | 2014-05-150 | 4 | United States |
| AN8188J | 2014-04-113 | 4 | United States |
| AN8184J | 2014-02-43 | 15 | United States |
| AN8184J | 2013-12-354 | 600 | US |
| AN8184J | 2013-12-354 | 900 | US |
| AN8184J | 2013-12-338 | 300 | US |
| 4730-00-203-2662 | 2013-10-283 | 5250 | DIBBS |
| 4730-00-203-2662 | 2013-10-283 | 6099 | DIBBS |
| 4730-00-203-2662 | 2013-09-266 | 6099 | DIBBS |
| 4730-00-203-2662 | 2013-08-230 | 6471 | DIBBS |
| 4730-00-203-2662 | 2013-07-185 | 5250 | DIBBS |
| 4730-00-203-2662 | 2013-05-122 | 5670 | DIBBS |
| AN8184J | 2013-03-74 | 2 | United States |
| 4730-00-203-2662 | 2013-03-72 | 5670 | DIBBS |
| 4730-00-203-2662 | 2013-01-23 | 25 | United States |
| 4730-00-203-2662 | 2013-01-22 | 0 | DIBBS |
| 4730-00-203-2662 | 2012-06-181 | 2929 | DIBBS |
| AN8184J | 2012-06-160 | 2100 | IN |
| AN8188J | 2012-06-157 | 500 | Mexico |
| AN8188J | 2012-06-157 | 1 | United States |
| AN8184J | 2012-05-142 | 110 | France |
| AN8184C | 2012-05-131 | 4 | United States |
| 4730-00-203-2662 | 2012-01-25 | 1329 | DIBBS |
| AN8184J | 2012-01-02 | 750 | US |
| AN8184C | 2011-10-291 | 8 | United States |
| AN8188C | 2011-10-291 | 8 | United States |
| 4730-00-203-2662 | 2011-08-228 | 1417 | DIBBS |
| AS4841 | 2011-03-69 | 8 | |
| AN8188C | 2011-01-31 | 90 | United States |
| AN8188C | 2011-01-31 | 100 | United States |
| AN8184J | 2011-01-19 | 100 | US |
| AN8184J | 2010-12-347 | 16 | IN |
| AN8188J | 2010-10-298 | 10 | US |
| AN818 | 2010-09-257 | 20 | South Korea |
| 4730-00-203-2662 | 2010-02-48 | 1551 | DIBBS |
| 4730-00-203-2662 | 2009-10-292 | 1379 | DIBBS |
| 4730-00-203-2662 | 2009-09-244 | 1014 | DIBBS |
| AN8188J | 2009-04-93 | 100 | Turkey |
| 4730-00-203-2662 | 2009-03-75 | 654 | DIBBS |
| AN8188J | 2009-02-51 | 12 | United States |
| AN8188J | 2009-02-51 | 22 | United States |
| 4730-00-203-2662 | 2009-01-07 | 234 | DIBBS |
| 4730-00-203-2662 | 2008-11-318 | 261 | DIBBS |
| AN8188J | 2008-08-227 | 50 | Italy |
| AN8184J | 2008-06-172 | 40 | United States |
| AN8184J | 2008-05-126 | 2 | United States |
| AN8184J | 2008-03-85 | 14 | United States |
| AN8188J | 2008-01-04 | 2 | US |
Cross Reference | NSN 4730-00-203-2662
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 416775-51 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| 525-629-90106 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL |
| 6728015-8 | 73342 | ALLISON TRANSMISSION, INC. |
| 829946-1 | 96214 | RAYTHEON COMPANY DBA RAYTHEON |
| 829946-1 | A0072 | FIAR FABBRICA ITALIANA APPARECCHIATURE RADIOELETTRICHE SPA |
| AN818 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN818-8C | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN818-8J | 17341 | TECH AERO INC |
| AN818-8J | 22995 | CROWN FITTING CO INC |
| AN818-8J | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| NK818-8J | 26233 | NYLOK CORPORATION DBA NYLOK WESTERN FASTENER DIV NYLOK |
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Related Products | NSN 4730-00-203-2662
Technical Data | NSN 4730-00-203-2662
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 304 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| NUT STYLE | A351 TUBE COUPLING |
| NUT HEIGHT | 0.844 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 0.875 INCHES NOMINAL |
| LENGTH TO SHOULDER | 0.723 INCHES NOMINAL |
| SMALLEST INSIDE DIAMETER | 0.570 INCHES NOMINAL |
| FABRICATION METHOD | ANY ACCEPTABLE |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.500 INCHES |
| MANUFACTURERS CODE | 88044 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN818-8J |
Restrictions/Controls & Freight Information | NSN 4730-00-203-2662
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| NMF Description | 051140 | HOSE:NOI TUBING |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 736 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
| NMF Description | 093486 | BOLTS,NUTS OR SCREWS, NOI (SUB 3) |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 573 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | B | Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |
Management | NSN 4730-00-203-2662
Army
Air Force
Navy
Marines| Category | Code | Description |
|---|---|---|
| Materiel Category and Inventory Manager | J | Ground Forces Support Materiel (DLA/GSA Items) |
| Appropriation and Budget Activity | 2 | Stock Fund Secondary Items |
| Management Inventory Segment | 2 | NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable. |
| Specific Group/Generic Code | B | Rotary Wing Aircraft |
| Weapons Systems/End Item or Homogeneous Group | BX | OH-58D Army Helicopter Improvement Program (AHIP) |
| Accounting Requirements Code | X | Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DA | Department of the Army |
| Service Organization | A | U.S. Army |
| Reparability | Z | This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
H EA : Each |
| Category | Code | Description |
|---|---|---|
| Budget Code | 9 | General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors. |
| Fund Code | SF | Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point. |
| Materiel Management Aggregation Code | SX | SX:AF SICA RESIDUAL MMAC-OC-ALC |
| Price Validation | V | The current standard price has been validated.
|
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DF | Department of the Air Force |
| Service Organization | F | U.S. Air Force |
| Reparability | N | Stock Fund (except Munitions) |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
H EA : Each |
| Category | Code | Description |
|---|---|---|
| Stores Account Code | 1 | Marine Corps Stock Fund Account Item. |
| Combat Essentiality Code | 2 | Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items. |
| Materiel Management Code | B | All CommoditiesDefense Logistics Agency, (DLA,) |
| Echelon Management Code | 2 | ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled. |
| Echelon Identification Code | B | Consumable Repair Parts |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DM | U.S. Marine Corps |
| Service Organization | M | U.S. Marine Corps |
| Reparability | Z | Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code. |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
H EA : Each |
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9C | Navy-owned stocks of defense construction material Naval Inventory Control Point, Mechanicsburg |
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Special Material Content | 9 | Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions |
| Source of Supply | S9C | Defense Supply Center Columbus Columbus, OH 43215 |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Y | TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 AY : Assembly |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | D | DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
H EA : Each |