The Screw,shoulder, cataloged under National Stock Number 5305-01-013-0763, 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17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-013-0763 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.120 INCHES NOMINAL IN |
| Fastener Length | 1.281 INCHES NOMINAL IN |
| Shoulder Length | 0.219 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.120 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.000 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 |
|---|---|
| 5305010130763 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 3441924 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-013-0763 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-013-0763: Head Height: 0.120 INCHES NOMINAL IN; Fastener Length: 1.281 INCHES NOMINAL IN; Shoulder Length: 0.219 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM 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.