The Bolt,shoulder, cataloged under National Stock Number 5306-00-409-0597, 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13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-409-0597 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.330 INCHES NOMINAL IN |
| Fastener Length | 2.000 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Shoulder Length | 1.450 INCHES MINIMUM AND 1.460 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.624 INCHES MINIMUM AND 0.625 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.420 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEXAGON |
| Width Between Flats | 0.741 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.820 INCHES MINIMUM AND 1.830 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 |
|---|---|
| F239887 | C/1 Advisory reference — outside the item-of-supply concept Bae Systems (operations) Limited |
| F239887 | 3/9 Design control — primary reference British Aerospace (military Aircraft & Aerostructures) |
| 99-6034908 | 6/9 Informative reference only U.S. Government activity |
NSN 5306-00-409-0597 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-409-0597: Head Height: 0.330 INCHES NOMINAL IN; Fastener Length: 2.000 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN; Shoulder Length: 1.450 INCHES MINIMUM AND 1.460 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.624 INCHES MINIMUM AND 0.625 INCHES MAXIMUM FIRST SHOULDER 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.