The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-312-7630, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Amz Alabama Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Bae Systems Hagglunds Aktiebolag (CAGE AC90N); Amz Alabama Inc. (CAGE 076M6) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-312-7630 |
| Primary Part Number | 90491-991 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Amz Alabama Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 21212034-366 | Bae Systems Hagglunds Aktiebolag (SWE) |
| 90491-991 PRIMARY | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 21212034-366 | 3/9 Design control — primary reference Bae Systems Hagglunds Ab |
| 21212034-366 | 5/9 Secondary reference U.s. Defense Services, Inc. Dba Usds |
| 90490-991 | 5/9 Secondary reference U.s. Defense Services, Inc. Dba Usds |
NSN 5305-01-312-7630 is a Screw,cap,hexagon Head, manufactured by Amz Alabama Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-312-7630 has 2 manufacturer part numbers on file: 21212034-366 (Bae Systems Hagglunds Aktiebolag), 90491-991 (Amz Alabama Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5306-01-313-9962, 5306-01-494-0531. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.