The Bolt,machine, cataloged under National Stock Number 5306-01-612-4269, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-612-4269 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Head Height | 0.530 INCHES NOMINAL IN |
| Fastener Length | 1.625 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.750 INCHES NOMINAL IN |
| Thread Length | 1.280 INCHES NOMINAL IN |
| Hardness Rating | 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.315 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.462 INCHES MINIMUM AND 0.472 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND NICKEL OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 601 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| MS9213-17 | 3/2 Design control — primary reference U.S. Government activity |
| MS9213-17 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-612-4269 is a Bolt,machine, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-612-4269: Extended Washer Thickness: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Head Height: 0.530 INCHES NOMINAL IN; Fastener Length: 1.625 INCHES NOMINAL IN; Surface Treatment Document and Classification: AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 19 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.