The Screw,shoulder, cataloged under National Stock Number 5305-01-064-3607, 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19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5305-01-064-3607 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Fastener Length | 1.000 INCHES NOMINAL IN |
| Shoulder Length | 0.074 INCHES MINIMUM AND 0.078 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Length | 0.159 INCHES MINIMUM AND 0.179 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM SECOND SHOULDER IN |
| Thread Length | 0.445 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND PHOSPHATE OVERALL |
| Minimum Tensile Strength | 177000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | SLOT |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.620 INCHES MINIMUM AND 0.630 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 |
|---|---|
| 120-064-8H | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-064-3607 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-064-3607: Head Height: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Fastener Length: 1.000 INCHES NOMINAL IN; Shoulder Length: 0.074 INCHES MINIMUM AND 0.078 INCHES MAXIMUM SECOND SHOULDER IN; Shoulder Length: 0.159 INCHES MINIMUM AND 0.179 INCHES MAXIMUM 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.