The Setscrew, cataloged under National Stock Number 5305-01-332-6476, 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13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-332-6476 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281 CLB FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Locking Feature | PATCH OR STRIP OR PELLET THREADS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL ALLOY 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 |
| Reference | Meaning |
|---|---|
| 60-03-7427AC | 3/2 Design control — primary reference U.S. Government activity |
| 60-30-7427 | 3/9 Design control — primary reference U.S. Government activity |
| 4674164 PIECE 49 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-332-6476 is a Setscrew, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-332-6476: Width Across Flats: 0.250 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281 CLB FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.375 INCHES 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.