The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-548-1291, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 4 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-548-1291 |
| Primary Part Number | 7X-0451 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 7 |
| 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 |
|---|---|
| 70176 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| 70176 | Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery (AUS) |
| 7X-0451 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 70176 | Paccar Winch Inc Dba Paccar Winch Division (USA) |
NSN 5310-01-548-1291 is a Nut,plain,hexagon, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-548-1291 has 4 manufacturer part numbers on file: 70176 (Rdo Equipment Rdo Equipment Pty Ltd), 70176 (Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery), 7X-0451 (Caterpillar Inc Div Caterpillar Defense), 70176 (Paccar Winch Inc Dba Paccar Winch Division).
Key specifications for 7X-0451: Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.250 INCHES IN; Special Features: NHA IS MOUNTING GROUP;MATERIAL TYPE IS GRADE 8; Part Name Assigned by Controlling Agency: HEX NUT. 4 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.