The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-021-7057, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Agco Corp Parts Opn. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-021-7057 |
| Primary Part Number | 0903640-1 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Agco Corp Parts Opn |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-00-021-7057 is a Screw,cap,hexagon Head, manufactured by Agco Corp Parts Opn, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-021-7057 has 4 manufacturer part numbers on file: 217057 (Army Weapons Command Attn Amswe-Ree-S), 903640 (Agco Corp Parts Opn), 0903640-1 (Agco Corp Parts Opn), 0903640 (Agco Corp Parts Opn).
2 possible matches (shared part number, not a government interchangeability claim): 6260-01-247-0364, 2510-01-497-9189. Verify interchangeability with system specifications before substitution.
Key specifications for 0903640-1: Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 2.000 INCHES NOMINAL IN; Thread Length: 1.250 INCHES MINIMUM IN; Nominal Thread Diameter: 0.500 INCHES IN. 11 specifications are documented in the U.S. Government catalog.
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.