The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-251-0784, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cnh Industrial America Llc Dba Cnh America. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-251-0784 |
| Primary Part Number | 231-5147 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Washer Outside Diameter | 0.910 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Width Across Flats | 0.675 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.438 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 14 |
| 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 |
|---|---|
| 231-5147 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
| Reference | Meaning |
|---|---|
| 31WLF71614 | 5/2 Secondary reference U.S. Government activity |
| 131-926 | 5/9 Secondary reference Cnh Industrial America Llc Dba Cnh America |
NSN 5310-01-251-0784 is a Nut,self-Locking,extended Washer, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-251-0784 has 1 manufacturer part number on file: 231-5147 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for 231-5147: Overall Height: 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN; Washer Outside Diameter: 0.910 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN; Width Across Flats: 0.675 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 11 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.