The Screw,machine, cataloged under National Stock Number 5305-00-271-2809, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-00-271-2809 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.023 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| Fastener Length | 0.297 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN |
| Screw Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Length | 0.115 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Head Style | FILLISTER COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Screw Material | COPPER ALLOY |
| Internal Drive Style | SLOT |
| Countersink Angle | 82.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Thread Series Designator | UNF |
| Head Diameter | 0.280 INCHES NOMINAL 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 |
|---|---|
| 8Z1018PC1 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5305-00-271-2809 is a Screw,machine, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-00-271-2809: Head Height: 0.023 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN; Fastener Length: 0.297 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN; Screw Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE; Thread Length: 0.115 INCHES MINIMUM AND 0.130 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.