The Bolt,machine, cataloged under National Stock Number 5306-01-657-5769, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Brierton Engineering Inc.. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-657-5769 |
| Primary Part Number | 06-60136 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Brierton Engineering Inc. |
| Status | ACTIVE |
| Head Height | 0.359375 INCHES NOMINAL IN |
| Fastener Length | 3.5000 INCHES NOMINAL IN |
| Thread Length | 1.3750 INCHES MINIMUM AND 1.8125 INCHES MAXIMUM IN |
| Hardness Rating | 33.0000 ROCKWELL C NOMINAL OVERALL |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.203125 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 06-60136 PRIMARY | Brierton Engineering Inc. (USA) |
NSN 5306-01-657-5769 is a Bolt,machine, manufactured by Brierton Engineering Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-657-5769 has 1 manufacturer part number on file: 06-60136 (Brierton Engineering Inc.).
Key specifications for 06-60136: Head Height: 0.359375 INCHES NOMINAL IN; Fastener Length: 3.5000 INCHES NOMINAL IN; Thread Length: 1.3750 INCHES MINIMUM AND 1.8125 INCHES MAXIMUM IN; Hardness Rating: 33.0000 ROCKWELL C NOMINAL OVERALL. 10 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.