The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-044-3921, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-044-3921 |
| Primary Part Number | 443921 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | General Motors Corp |
| Status | CANCELLED |
| Nut Height | 0.219 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Series | UNF |
| Thread Quantity Per Inch | 24 |
| Material Document and Classification | QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Departure From Cited Document | AS MODIFIED BY NUT HEIGHT |
| Thread Class | 2B |
| Width Across Flats | 0.562 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nondefinitive Spec/std Data | A TYPE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7396804 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| FFB571TYPEA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 443921 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 443921 PRIMARY | General Motors Corp (USA) |
NSN 5310-00-044-3921 is a Nut,plain,hexagon, manufactured by General Motors Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-044-3921 has 4 cross-referenced part numbers: 7396804 (U S Army Tank Automotive Command Amsta-Im-Mm), FFB571TYPEA (Federal Specifications Promulgated by General Services Administration Washington DC), 443921 (Army Weapons Command Attn Amswe-Ree-S), 443921 (General Motors Corp).
There is 1 known substitute for 5310-00-044-3921: 5310-00-975-2075. Verify interchangeability with system specifications before substitution.
Key specifications for 443921: Nut Height: 0.219 INCHES NOMINAL IN; Nut Style: HEXAGON; Bearing Surface Type: CHAMFERED OR WASHER FACED; Nominal Thread Size: 0.375 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-044-3921 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.