The Screw,shoulder, cataloged under National Stock Number 5305-01-391-2162, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-391-2162 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Fastener Length | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Shoulder Length | 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 TY 2, 6 OR 7 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.127 INCHES MINIMUM AND 0.132 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.110 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | ASTM A582 COND A COLD FINISHED ASSN STD ALL MATERIAL RESPONSES 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 | 56 |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Thread Series Designator | UNJC |
| Head Diameter | 0.192 INCHES MINIMUM AND 0.197 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 |
|---|---|
| 7005418-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-391-2162 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-466-7803. Verify interchangeability with system specifications before substitution.
Key specifications for 5305-01-391-2162: Head Height: 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Fastener Length: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Shoulder Length: 0.105 INCHES MINIMUM AND 0.110 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 TY 2, 6 OR 7 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.