The Screw,machine, cataloged under National Stock Number 5305-00-957-4089, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-957-4089 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Fastener Length | 0.360 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN |
| Screw Material Document and Classification | AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE |
| Distance Between Hole Centers | 0.312 INCHES NOMINAL IN |
| Thread Length | 0.283 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Hole Quantity | 2 |
| Thread Series Designator | UNF |
| Head Hole Configuration Style | ROUND PERPENDICULAR |
| Hole Diameter | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Head Diameter | 0.599 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN |
| Screw Surface Treatment Document and Classification | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE |
| 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 |
|---|---|
| 692224-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-00-957-4089 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-957-4089: Head Height: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Screw Surface Treatment: PASSIVATE; Fastener Length: 0.360 INCHES MINIMUM AND 0.405 INCHES MAXIMUM IN; Screw Material Document and Classification: AMS 5640 ASSN STD SINGLE MATERIAL RESPONSE. 18 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.