The Bolt,machine, cataloged under National Stock Number 5306-00-426-5058, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-426-5058 |
| Primary Part Number | 7X0300 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Head Height | 0.273 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN |
| Fastener Length | 6.500 INCHES NOMINAL IN |
| Thread Length | 0.812 INCHES MINIMUM IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-1222,GR 8 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 8 GRADE |
| Minimum Tensile Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Minimum Yield Strength | 145000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| 16KP248 | Oshkosh Defense Llc (USA) |
| 7X0300 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 16KP248 | 5/9 Secondary reference Oshkosh Corp |
| MIL-DTL-1222 | 4/1 Identification reference U.S. Government activity |
| 4F0411 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
| MIL-S-1222 | 5/9 Secondary reference U.S. Government activity |
| 4F411 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 5306-00-426-5058 is a Bolt,machine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-426-5058 has 2 manufacturer part numbers on file: 16KP248 (Oshkosh Defense Llc), 7X0300 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 7X0300: Head Height: 0.273 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN; Fastener Length: 6.500 INCHES NOMINAL IN; Thread Length: 0.812 INCHES MINIMUM IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 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.