The Bolt,machine, cataloged under National Stock Number 5306-01-028-0060, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-028-0060 |
| Primary Part Number | 21C001056 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Head Height | 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Fastener Length | 3.400 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| 21C001056 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 21C001056 | 3/9 Design control — primary reference Clark Equipment Co |
NSN 5306-01-028-0060 is a Bolt,machine, manufactured by Dana Off Highway Products, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-028-0060 has 1 manufacturer part number on file: 21C001056 (Dana Off Highway Products, Llc).
Key specifications for 21C001056: Head Height: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN; Fastener Length: 3.400 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN; Thread Length: 1.500 INCHES MINIMUM IN; Nominal Thread Diameter: 0.625 INCHES IN. 12 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.