The Bolt,machine, cataloged under National Stock Number 5306-01-132-3347, 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14 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-132-3347 |
| 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 | 4.219 INCHES MINIMUM AND 4.281 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 3.844 INCHES MINIMUM AND 3.947 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DISHED HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.544 INCHES MINIMUM AND 0.662 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 310 OR STEEL COMP 316 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 |
|---|---|
| 7978-556R51 PIECE 10 | 5/9 Secondary reference U.S. Government activity |
| NASM16208-64 | 3/2 Design control — primary reference U.S. Government activity |
| MS16208-64 | 5/9 Secondary reference U.S. Government activity |
| 7978-556R51 PIECE 10 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-132-3347 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-132-3347: Head Height: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN; Fastener Length: 4.219 INCHES MINIMUM AND 4.281 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 3.844 INCHES MINIMUM AND 3.947 INCHES MAXIMUM 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.