The Bolt,shoulder, cataloged under National Stock Number 5306-00-079-7399, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-079-7399 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.312 INCHES NOMINAL IN |
| Fastener Length | 2.231 INCHES NOMINAL IN |
| Shoulder Length | 1.730 INCHES MINIMUM AND 1.740 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.543 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.141 INCHES NOMINAL FIRST HOLE IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.107 INCHES NOMINAL 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 |
|---|---|
| 3283190-1 | 5/9 Secondary reference Safran Landing Systems Canada Inc. |
| 3283190-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-079-7399 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-079-7399: Head Height: 0.312 INCHES NOMINAL IN; Fastener Length: 2.231 INCHES NOMINAL IN; Shoulder Length: 1.730 INCHES MINIMUM AND 1.740 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM FIRST SHOULDER IN. 17 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.