The Bolt,shoulder, cataloged under National Stock Number 5306-00-876-5657, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-876-5657 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Fastener Length | 7.470 INCHES MINIMUM AND 7.490 INCHES MAXIMUM IN |
| Distance From Centerline to Flat | 0.800 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN |
| Thread Length | 0.410 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE IN |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | DEE CHAMFER |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 7.070 INCHES MINIMUM AND 7.090 INCHES MAXIMUM FIRST HOLE IN |
| Head Diameter | 1.750 INCHES NOMINAL 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 |
|---|---|
| 388119-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-876-5657 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-876-5657: Head Height: 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN; Fastener Length: 7.470 INCHES MINIMUM AND 7.490 INCHES MAXIMUM IN; Distance From Centerline to Flat: 0.800 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN; Thread Length: 0.410 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN. 13 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.