The Bolt,machine, cataloged under National Stock Number 5306-01-380-7345, 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13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-380-7345 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.226 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN |
| Fastener Length | 4.096 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,CL2.TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 4.781 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.351 INCHES MINIMUM AND 0.362 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 305 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 |
|---|---|
| MS90725-78 | 3/2 Design control — primary reference U.S. Government activity |
| MS90725-78 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-380-7345 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-380-7345: Head Height: 0.226 INCHES MINIMUM AND 0.246 INCHES MAXIMUM IN; Fastener Length: 4.096 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,CL2.TY2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 4.781 INCHES MINIMUM AND 5.000 INCHES MAXIMUM IN. 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.