The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-025-7091, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5305-00-025-7091 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Head Height | 0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Fastener Length | 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Thread Length | 0.520 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.300 INCHES MINIMUM AND 0.320 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 |
| Reference | Meaning |
|---|---|
| 8989525 | 3/9 Design control — primary reference General Electric Company |
NSN 5305-00-025-7091 is a Screw,cap,socket Head, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6680-01-197-5275. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-00-025-7091: Width Across Flats: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN; Head Height: 0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Fastener Length: 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Thread Length: 0.520 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN. 13 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.