The Bolt,shoulder, cataloged under National Stock Number 5306-00-612-4686, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-612-4686 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 7.257 INCHES MINIMUM AND 7.267 INCHES MAXIMUM IN |
| Shoulder Length | 6.476 INCHES MINIMUM AND 6.486 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.9975 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.531 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.490 INCHES MINIMUM AND 1.503 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 7.101 INCHES MINIMUM AND 7.111 INCHES MAXIMUM FIRST HOLE 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 |
|---|---|
| 249-14022 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5306-00-612-4686 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-612-4686: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 7.257 INCHES MINIMUM AND 7.267 INCHES MAXIMUM IN; Shoulder Length: 6.476 INCHES MINIMUM AND 6.486 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.9975 INCHES MINIMUM AND 0.9985 INCHES MAXIMUM FIRST SHOULDER IN. 19 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.