The Screw,shoulder, cataloged under National Stock Number 5305-01-343-3587, 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19 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-343-3587 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Width Across Flats | 0.625 INCHES NOMINAL IN |
| Head Height | 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Fastener Length | 3.495 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN |
| Shoulder Length | 2.495 INCHES MINIMUM AND 2.505 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 1.246 INCHES MINIMUM AND 1.248 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.995 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 9 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 1.723 INCHES MINIMUM AND 1.750 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 |
|---|---|
| 211072042 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| MS5197-74 | 5/9 Secondary reference U.S. Government activity |
| MS51975-74 | 3/2 Design control — primary reference U.S. Government activity |
| MS51975-74 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-343-3587 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-343-3587: Width Across Flats: 0.625 INCHES NOMINAL IN; Head Height: 0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Fastener Length: 3.495 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN; Shoulder Length: 2.495 INCHES MINIMUM AND 2.505 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.