The Screw,shoulder, cataloged under National Stock Number 5305-01-433-8464, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5305-01-433-8464 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.078 INCHES NOMINAL IN |
| Head Height | 0.093 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Fastener Length | 0.687 INCHES NOMINAL IN |
| Shoulder Length | 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.1235 INCHES MINIMUM AND 0.1245 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.125 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | ASTM A493 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP XM-7 OR STEEL COMP 303 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.218 INCHES MINIMUM AND 0.281 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 |
|---|---|
| MS51576-5 | 2/2 Government specification standardization U.S. Government activity |
| 10340269 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-01-433-8464 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-433-8464: Width Across Flats: 0.078 INCHES NOMINAL IN; Head Height: 0.093 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN; Fastener Length: 0.687 INCHES NOMINAL IN; Shoulder Length: 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM FIRST SHOULDER IN. 20 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.