The Screw,shoulder, cataloged under National Stock Number 5305-01-337-6977, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-337-6977 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN |
| Fastener Length | 0.433 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Shoulder Length | 0.317 INCHES MINIMUM AND 0.334 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.0925 INCHES MINIMUM AND 0.0933 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.090 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 64 |
| Material | STEEL COMP 302 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.122 INCHES MINIMUM AND 0.125 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 |
|---|---|
| 201463-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-337-6977 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-337-6977: Head Height: 0.032 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN; Fastener Length: 0.433 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN; Shoulder Length: 0.317 INCHES MINIMUM AND 0.334 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.