The Bolt,machine, cataloged under National Stock Number 5306-01-332-8345, 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14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-332-8345 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Fastener Length | 4.719 INCHES MINIMUM AND 4.781 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 384 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 |
|---|---|
| MS16208-66 | 3/2 Design control — primary reference U.S. Government activity |
| MS16208-66 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-332-8345 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-332-8345: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 4.719 INCHES MINIMUM AND 4.781 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 1.000 INCHES NOMINAL 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.