The Bolt,shoulder, cataloged under National Stock Number 5306-00-235-5264, 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17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-235-5264 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 1.281 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN |
| Fastener Length | 1.407 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN |
| Shoulder Length | 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.500 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.486 INCHES MINIMUM AND 0.501 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | Q-S-624,COMP 4140 FED SPEC 13TH MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment | PAINT OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 2256616 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5306-00-235-5264 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-024-0060. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-235-5264: Head Height: 1.281 INCHES MINIMUM AND 1.343 INCHES MAXIMUM IN; Fastener Length: 1.407 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN; Shoulder Length: 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.500 INCHES NOMINAL 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.