The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-375-0486, 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13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-375-0486 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Fastener Length | 0.365 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Thread Length | 0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.365 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| Surface Treatment | DICHROMATE ZINC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1008 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 |
|---|---|
| 3260E9249 | 3/2 Design control — primary reference U.S. Government activity |
| 864018 | 5/9 Secondary reference Clark Equipment Co |
| 864018 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-375-0486 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5935-01-253-2786. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-375-0486: Head Height: 0.156 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Fastener Length: 0.365 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Thread Length: 0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM IN; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.