The Screw,shoulder, cataloged under National Stock Number 5305-01-249-0892, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-249-0892 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — Screws |
| Status | ACTIVE |
| Head Height | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Fastener Length | 0.540 INCHES NOMINAL IN |
| Shoulder Length | 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.1385 INCHES MINIMUM AND 0.1395 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.177 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 |
|---|---|
| 106B4397P0002 | 3/9 Design control — primary reference U.S. Government activity |
| 106B4397P2 | 5/9 Secondary reference U.S. Government activity |
NSN 5305-01-249-0892 is a Screw,shoulder, classified under FSC 5305, Screws. Status: active.
Key specifications for 5305-01-249-0892: Head Height: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Fastener Length: 0.540 INCHES NOMINAL IN; Shoulder Length: 0.355 INCHES MINIMUM AND 0.365 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.1385 INCHES MINIMUM AND 0.1395 INCHES MAXIMUM FIRST SHOULDER IN. 16 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.