The Screw,shoulder, cataloged under National Stock Number 5305-01-134-5750, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-134-5750 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 3.120 INCHES NOMINAL IN |
| Shoulder Length | 2.332 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.788 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-N-286 CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.750 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 |
|---|---|
| 501-4675698 ITEM 40 | 7/2 Vendor item drawing reference U.S. Government activity |
| 4675698A-0040 | 3/2 Design control — primary reference U.S. Government activity |
| 36-37-7812 ITEM 40 | 5/9 Secondary reference U.S. Government activity |
| 4674698-0040 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-134-5750 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-134-5750: Width Across Flats: 0.375 INCHES NOMINAL IN; Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 3.120 INCHES NOMINAL IN; Shoulder Length: 2.332 INCHES NOMINAL FIRST SHOULDER IN. 17 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.