NSN 4730-01-087-7557 MS219218D, MS21921-8D, AS21921
Product Details | TUBE COUPLING NUT
4730-01-087-7557 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: MS219218D, MS21921-8D, AS21921, 4730-01-087-7557, 01-087-7557, 4730010877557, 010877557
Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 47 | 25 DEC 1979 | 01-087-7557 | 03859 ( NUT, TUBE COUPLING ) |
Demand History | NSN 4730-01-087-7557
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| MS219218D | 2025-03-73 | 100 | us |
| MS219218D | 2017-08-228 | 30 | US |
| AS21921 | 2013-03-73 | 20 | US |
| AS21921 | 2013-03-73 | 50 | US |
| AS21921 | 2013-03-73 | 100 | US |
| AS21921 | 2013-03-73 | 20 | US |
| AS21921 | 2013-03-73 | 50 | US |
| AS21921 | 2013-03-73 | 100 | US |
| MS219218D | 2012-12-342 | 20 | Canada |
| MS219218D | 2012-11-331 | 100 | Canada |
| MS219218D | 2012-10-304 | 25 | US |
| MS219218D | 2010-06-176 | 28 | Italy |
| AS21921 | 2010-04-95 | 4 | Seychelles |
| MS219218D | 2008-09-273 | 50 | US |
| MS219218D | 2007-11-331 | 100 | United States |
| 4730-01-087-7557 | 2007-02-59 | 10 | US |
| MS219218D | 2006-07-201 | 20 | United States |
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Technical Data | NSN 4730-01-087-7557
| Characteristic | Specifications |
|---|---|
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | ALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 OVERALL |
| NUT STYLE | A350 TUBE COUPLING |
| NUT HEIGHT | 0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.871 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| LENGTH TO SHOULDER | 0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM |
| SMALLEST INSIDE DIAMETER | 0.552 INCHES MINIMUM AND 0.557 INCHES MAXIMUM |
| SEAT ANGLE | 45.0 DEGREES NOMINAL |
| FABRICATION METHOD | ANY ACCEPTABLE |
| NOMINAL TUBE OUTSIDE DIAMETER | 0.500 INCHES |
| SPECIFICATION/STANDARD DATA | 96906-MS21921 GOVERNMENT STANDARD |
Restrictions/Controls & Freight Information | NSN 4730-01-087-7557
| 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: | A | Item does not contain precious metal |
| 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 | 013540 | ALUM NUTS |
| Less than car load rating | ||
| Less than truck load rating | Q | 70.0 |
| Water commodity Code | 576 | unknown |
| Originating Activity Code | ZG | Germany ZH ZJ |
| 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 4730-01-087-7557
| 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 | BJ | AH-64 Airframe |
| 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 | 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 |
A 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 | 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 |
A EA : Each |



