The Bolt,u, cataloged under National Stock Number 5306-00-139-7307, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-139-7307 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Inside Distance Between Shanks | 3.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-T-704,TY A MIL SPEC SINGLE TREATMENT RESPONSE GRIP |
| Thread Length | 1.000 INCHES MINIMUM IN |
| Distance From Inside Center of Bend to Bolt End | 11.380 INCHES MINIMUM AND 11.620 INCHES MAXIMUM IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | PAINT GRIP |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| 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 |
|---|---|
| 13213E9849-1 | 3/2 Design control — primary reference U.S. Government activity |
| 37525 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-139-7307 is a Bolt,u, classified under FSC 5306, Bolts. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5330-00-994-8943, 5330-01-078-3428, 5365-01-229-0026. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-00-139-7307: Inside Distance Between Shanks: 3.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-T-704,TY A MIL SPEC SINGLE TREATMENT RESPONSE GRIP; Thread Length: 1.000 INCHES MINIMUM IN; Distance From Inside Center of Bend to Bolt End: 11.380 INCHES MINIMUM AND 11.620 INCHES MAXIMUM IN. 11 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.