The Nut,self-Locking,spline, cataloged under National Stock Number 5310-00-596-5682, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-596-5682 |
| Primary Part Number | 1JA2731H14 |
| Item Name | Nut,self-Locking,spline |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-A-351,COND T FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Pilot Diameter | 0.275 INCHES NOMINAL IN |
| Pilot Length | 0.085 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.335 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE NUT |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY AND PLASTIC POLYAMIDE NYLON NUT |
| 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 |
|---|---|
| 1JA2731H14 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 68NC2-82 | 5/9 Secondary reference Harvard Industries Inc |
| 0461-142 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 1JA2731H14 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-596-5682 is a Nut,self-Locking,spline, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-596-5682 has 1 manufacturer part number on file: 1JA2731H14 (Westinghouse Electric Corp).
Key specifications for 1JA2731H14: Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-A-351,COND T FED SPEC SINGLE MATERIAL RESPONSE NUT; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.164 INCHES IN. 12 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.