The Bolt,shoulder, cataloged under National Stock Number 5306-01-351-4301, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-351-4301 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN |
| Fastener Length | 7.880 INCHES NOMINAL IN |
| Shoulder Length | 2.560 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Length | 3.130 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.0005 INCHES MINIMUM AND 1.0010 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 1.0005 INCHES MINIMUM AND 1.0010 INCHES MAXIMUM SECOND SHOULDER IN |
| Thread Length | 1.690 INCHES NOMINAL IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Material Document and Classification | QQ-N-286,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.500 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 9 |
| 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 |
|---|---|
| 123-4645269 ITEM 32 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-351-4301 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-351-4301: Head Height: 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM IN; Fastener Length: 7.880 INCHES NOMINAL IN; Shoulder Length: 2.560 INCHES NOMINAL SECOND SHOULDER IN; Shoulder Length: 3.130 INCHES NOMINAL FIRST SHOULDER IN. 17 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.