The Bolt,machine, cataloged under National Stock Number 5306-00-052-3714, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-052-3714 |
| Primary Part Number | 80289R1 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 2.500 INCHES NOMINAL IN |
| Thread Length | 1.500 INCHES MINIMUM IN |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.000 INCHES NOMINAL IN |
| Width Between Flats | 0.750 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 4140 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 |
|---|---|
| 80289R1 | Komatsu America Corp. (USA) |
| 80289R1 | Dressta North America Ltd (USA) |
| 82N7 | Meritor Heavy Vehicle Systems, Llc (USA) |
| 82N7 | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 21205R1 | 5/9 Secondary reference Komatsu American Intl Co |
| 80289R1 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 21205R1 | 5/9 Secondary reference U.S. Government activity |
| 82N7 | 5/9 Secondary reference U.S. Government activity |
| 21205R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 5306-00-052-3714 is a Bolt,machine, manufactured by Komatsu America Corp., classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-052-3714 has 4 manufacturer part numbers on file: 80289R1 (Komatsu America Corp.), 80289R1 (Dressta North America Ltd), 82N7 (Meritor Heavy Vehicle Systems, Llc), 82N7 (Meritor Industrial Products, Llc).
Key specifications for 80289R1: Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 2.500 INCHES NOMINAL IN; Thread Length: 1.500 INCHES MINIMUM IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL. 17 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.