The Screw,shoulder, cataloged under National Stock Number 5305-01-464-7083, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-464-7083 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.156 INCHES NOMINAL IN |
| Head Height | 0.187 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN |
| Fastener Length | 1.809 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN |
| Shoulder Length | 1.500 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35,TY2 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.312 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.406 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM,A582/5872M ASSN STD SINGLE MATERIAL RESPONSE OR ,ASTM,A493 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT FILLISTER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 303 OR STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.468 INCHES MINIMUM AND 0.531 INCHES MAXIMUM 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 |
|---|---|
| MS51576-31 | 2/2 Government specification standardization U.S. Government activity |
NSN 5305-01-464-7083 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-464-7083: Width Across Flats: 0.156 INCHES NOMINAL IN; Head Height: 0.187 INCHES MINIMUM AND 0.249 INCHES MAXIMUM IN; Fastener Length: 1.809 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN; Shoulder Length: 1.500 INCHES NOMINAL FIRST SHOULDER IN. 19 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.