The Bolt,shoulder, cataloged under National Stock Number 5306-01-415-8181, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-415-8181 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN |
| Fastener Length | 2.145 INCHES MINIMUM AND 2.185 INCHES MAXIMUM IN |
| Shoulder Length | 1.697 INCHES MINIMUM AND 1.717 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.640 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS1297-8-22 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-415-8181 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-415-8181: Head Height: 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN; Fastener Length: 2.145 INCHES MINIMUM AND 2.185 INCHES MAXIMUM IN; Shoulder Length: 1.697 INCHES MINIMUM AND 1.717 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN. 14 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.