The Bolt,machine, cataloged under National Stock Number 5306-00-616-7264, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-616-7264 |
| Primary Part Number | 6167264 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES OVERALL |
| Extended Washer Thickness | 0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Head Height | 1.438 INCHES NOMINAL IN |
| Fastener Length | 6.000 INCHES NOMINAL IN |
| Extended Washer Diameter | 2.625 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES MAXIMUM IN |
| Hardness Rating | 20.0 ROCKWELL C MINIMUM AND 27.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 4.500 INCHES NOMINAL IN |
| Width Between Flats | 1.688 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| 6167264 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 1025006167264 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5306-00-616-7264 is a Bolt,machine, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-616-7264 has 1 manufacturer part number on file: 6167264 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6167264: Surface Finish: 125.0 MICROINCHES OVERALL; Extended Washer Thickness: 0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN; Head Height: 1.438 INCHES NOMINAL IN; Fastener Length: 6.000 INCHES NOMINAL IN. 18 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.