The Screw,shoulder, cataloged under National Stock Number 5305-01-009-5122, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-009-5122 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Fastener Length | 0.620 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Shoulder Length | 0.080 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Length | 0.060 INCHES NOMINAL SECOND SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.249 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.200 INCHES NOMINAL SECOND SHOULDER IN |
| Thread Length | 0.295 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 42.0 ROCKWELL C MINIMUM OVERALL |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.164 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 | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.380 INCHES NOMINAL 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 |
|---|---|
| 710012-1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5305-01-009-5122 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5985-01-018-8156, 1270-01-033-7956. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-009-5122: Head Height: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Fastener Length: 0.620 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN; Shoulder Length: 0.080 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Length: 0.060 INCHES NOMINAL SECOND SHOULDER IN. 21 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.