The Screw,shoulder, cataloged under National Stock Number 5305-01-495-2697, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-495-2697 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Fastener Length | 1.197 INCHES MINIMUM AND 1.227 INCHES MAXIMUM IN |
| Shoulder Length | 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM ALL SHOULDERS IN |
| Surface Treatment Document and Classification | QQ-P-416, TY2CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.464 INCHES MINIMUM ALL SHOULDERS IN |
| Thread Length | 0.419 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Internal Drive Style | CROSS RECESS TYPE III |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.506 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 |
|---|---|
| NAS1704T12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5305-01-495-2697 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-495-2697: Fastener Length: 1.197 INCHES MINIMUM AND 1.227 INCHES MAXIMUM IN; Shoulder Length: 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM ALL SHOULDERS IN; Surface Treatment Document and Classification: QQ-P-416, TY2CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Diameter: 0.464 INCHES MINIMUM ALL SHOULDERS IN. 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.