The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-414-7137, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Titan Wheel Corporation of Illinois. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-414-7137 |
| Primary Part Number | 031884400013 |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Titan Wheel Corporation of Illinois |
| Status | ACTIVE |
| Washer Outside Diameter | 1.585 INCHES NOMINAL IN |
| Width Across Flats | 1.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | DOD-P-16232, TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | PHOSPHATE ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| 031884400013 PRIMARY | Titan Wheel Corporation of Illinois (USA) |
| Reference | Meaning |
|---|---|
| 03-18844-00 | 5/9 Secondary reference Titan Wheel Corporation of Illinois |
NSN 5310-01-414-7137 is a Nut,self-Locking,extended Washer, manufactured by Titan Wheel Corporation of Illinois, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-414-7137 has 1 manufacturer part number on file: 031884400013 (Titan Wheel Corporation of Illinois).
Key specifications for 031884400013: Overall Height: 0.825 INCHES NOMINAL IN; Washer Outside Diameter: 1.585 INCHES NOMINAL IN; Width Across Flats: 1.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: DOD-P-16232, TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.