The Bolt,shoulder, cataloged under National Stock Number 5306-01-132-5599, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-01-132-5599 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Fastener Length | 1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN |
| Shoulder Length | 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM FIRST SHOULDER IN |
| Shoulder Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.680 INCHES MINIMUM AND 0.800 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.562 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 70554 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-132-5599 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5805-01-373-3218. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-01-132-5599: Head Height: 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN; Fastener Length: 1.090 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN; Shoulder Length: 0.350 INCHES MINIMUM AND 0.380 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM FIRST SHOULDER IN. 14 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.