The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-682-5817, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-682-5817 |
| Primary Part Number | 591111 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Width Across Flats | 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN |
| Head Height | 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN |
| Fastener Length | 0.615 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN |
| Thread Length | 0.645 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 48 |
| Material | STEEL COMP 303 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.178 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 591111 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| Reference | Meaning |
|---|---|
| 12Z1007-11 | 5/1 Secondary reference U.S. Government activity |
| 5305006825817 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5305-00-682-5817 is a Screw,cap,socket Head, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-682-5817 has 1 manufacturer part number on file: 591111 (Army Weapons Command Attn Amswe-Ree-S).
1 possible match (shared part number, not a government interchangeability claim): 1630-00-906-5269. Verify interchangeability with system specifications before substitution.
Key specifications for 591111: Width Across Flats: 0.078 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN; Head Height: 0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN; Fastener Length: 0.615 INCHES MINIMUM AND 0.645 INCHES MAXIMUM IN; Thread Length: 0.645 INCHES MAXIMUM IN. 14 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.