The Bolt,shoulder, cataloged under National Stock Number 5306-00-809-3790, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-809-3790 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.750 INCHES NOMINAL IN |
| Fastener Length | 5.250 INCHES NOMINAL IN |
| Shoulder Length | 3.938 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.497 INCHES MINIMUM AND 1.499 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.188 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-6758,COND D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.125 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 2.250 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| D89573-10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-809-3790 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-809-3790: Head Height: 0.750 INCHES NOMINAL IN; Fastener Length: 5.250 INCHES NOMINAL IN; Shoulder Length: 3.938 INCHES NOMINAL FIRST SHOULDER IN; Shoulder Diameter: 1.497 INCHES MINIMUM AND 1.499 INCHES MAXIMUM FIRST SHOULDER IN. 16 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.