The Bolt,shoulder, cataloged under National Stock Number 5306-01-338-6773, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-338-6773 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 9.062 INCHES NOMINAL IN |
| Shoulder Length | 1.000 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Length | 6.812 INCHES NOMINAL FIRST SHOULDER IN |
| Distance From Centerline to Flat | 1.500 INCHES NOMINAL IN |
| Shoulder Diameter | 2.750 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 2.250 INCHES NOMINAL SECOND SHOULDER IN |
| Thread Length | 1.250 INCHES NOMINAL IN |
| Shoulder Shape | ROUND SECOND SHOULDER |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 1.750 INCHES IN |
| Head Style | DEE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 5 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 3.500 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 |
|---|---|
| 122-4323780 PIECE 66 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-338-6773 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-338-6773: Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 9.062 INCHES NOMINAL IN; Shoulder Length: 1.000 INCHES NOMINAL SECOND SHOULDER IN; Shoulder Length: 6.812 INCHES NOMINAL FIRST SHOULDER IN. 18 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.