NSN 4730-00-542-5918 AN919235, AN919-235, AN91923C
Product Details | BOSS REDUCER
4730-00-542-5918 A straight fitting having a boss connection of a different size at each end. Both connections have external or internal machine threads (straight threads other than pipe or hose series) and are designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. Excludes BUSHING (as modified).
Part Alternates: AN919235, AN919-235, AN91923C, AN919-23C, AN91923J, AN919-23J, AS4841, AS5174, AS5174J1612, 21C1537062, 21C1537-062, 61651490024, 616-514-90024, 4730-00-542-5918, 00-542-5918, 4730005425918, 005425918
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 1963 | 00-542-5918 | 23541 ( REDUCER, BOSS ) |
Drawings & Photos | NSN 4730-00-542-5918
Demand History | NSN 4730-00-542-5918
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| AS4841 | 2025-04-106 | 1 | France |
| 4730-00-542-5918 | 2024-06-164 | 6 | Sweden |
| 4730-00-542-5918 | 2024-06-163 | 6 | Sweden |
| 4730-00-542-5918 | 2022-01-05 | 1 | US |
| 4730-00-542-5918 | 2020-11-317 | 104 | DIBBS |
| 4730-00-542-5918 | 2020-10-275 | 27 | DIBBS |
| 4730-00-542-5918 | 2019-12-345 | 5 | Sweden |
| AN91923J | 2019-08-217 | 1 | United States |
| AN919-23C | 2017-05-136 | 2 | United States |
| AS5174J1612 | 2015-09-244 | 2 | United States |
| 4730-00-542-5918 | 2014-04-100 | 61 | DIBBS |
| AS5174 | 2013-11-310 | 6 | US |
| 4730-00-542-5918 | 2013-08-217 | 35 | DIBBS |
| 4730-00-542-5918 | 2013-04-107 | 22 | DIBBS |
| 4730-00-542-5918 | 2011-05-130 | 41 | DIBBS |
| AS4841 | 2011-03-69 | 8 |
Cross Reference | NSN 4730-00-542-5918
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 21C1537-062 | 07482 | GENERAL ELECTRIC COMPANY DBA GE |
| 616-514-90024 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL |
| AN919-235 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN919-23C | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AN919-23J | 00624 | EATON CORPORATION DBA AEROSPACE DIV |
| AN919-23J | 06581 | ALLAN AIRCRAFT SUPPLY CO, LLC |
| AN919-23J | 13899 | HYDRO FITTING MANUFACTURING CORPORATION |
| AN919-23J | 14397 | FABER ENTERPRISES, INC. |
| AN919-23J | 14798 | DESIGNED METAL CONNECTIONS, INC. DBA PERMASWAGE |
| AN919-23J | 22995 | CROWN FITTING CO INC |
| AN919-23J | 30974 | AEROFIT, LLC |
| AN919-23J | 71563 | COLLINS ENGINEERING CORP |
| AN919-23J | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| AS4841 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5174 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
| AS5174J1612 | 81343 | SOCIETY OF AUTOMOTIVE ENGINEERS INC |
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Related Products | NSN 4730-00-542-5918
Technical Data | NSN 4730-00-542-5918
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 316 OR STEEL COMP 304 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI 316/SAE 30316 FED STD 1ST MATERIAL RESPONSE OR 66,AISI 304/SAE 30304 FED STD 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-P-35,TY 1 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID 1ST RESPONSE OXYGEN, GASEOUS 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 1500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 160.0 DEG FAHRENHEIT SINGLE RESPONSE |
| CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS |
| CONNECTION STYLE | B81 FLARED W/GASKET SEAL ALL ENDS |
| THREAD SERIES DESIGNATOR | UN ALL ENDS |
| NOMINAL THREAD SIZE | 1.312 INCHES 1ST END 1.062 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 12 ALL ENDS |
| THREAD CLASS | 3A ALL ENDS |
| NOMINAL OVERALL LENGTH | 2.156 INCHES |
| REDUCER TYPE | CONCENTRIC |
| SPECIFICATION/STANDARD DATA | 88044-AN919 GOVERNMENT STANDARD |
Restrictions/Controls & Freight Information | NSN 4730-00-542-5918
| 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 | 052190 | PIPE,TUBING,OR PIPE OR TUBING FITTI |
| Less than car load rating | ||
| Less than truck load rating | W | Rating Variable |
| Water commodity Code | 576 | 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 4730-00-542-5918
Army
Air Force
Navy| 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 | 0 | Medical Materiel |
| Weapons Systems/End Item or Homogeneous Group | 00 | DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item |
| 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 | V | TERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 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 |
1 EA : Each |
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| 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 |
1 EA : Each |