The Bolt,shoulder, cataloged under National Stock Number 5306-01-445-4379, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-445-4379 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.515 INCHES NOMINAL IN |
| Fastener Length | 2.925 INCHES NOMINAL IN |
| Shoulder Length | 1.765 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 0.867 INCHES MINIMUM AND 0.868 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.160 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | QQ-N-286, CLASS A,FORM 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.312 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 10 |
| Material | NICKEL ALLOY K-500 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 26M54-3001 ITEM 46 | 5/2 Secondary reference U.S. Government activity |
| 26M54-3001-0046 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-445-4379 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-445-4379: Head Height: 0.515 INCHES NOMINAL IN; Fastener Length: 2.925 INCHES NOMINAL IN; Shoulder Length: 1.765 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 0.867 INCHES MINIMUM AND 0.868 INCHES MAXIMUM FIRST SHOULDER IN. 15 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.