The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-050-3250, 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 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 19 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-050-3250 |
| Primary Part Number | 1231814A |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Width Across Flats | 0.375 INCHES NOMINAL IN |
| Thread Series | UNF |
| Material Document and Classification | QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.234 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| 1231814A PRIMARY | Westinghouse Electric Corp (USA) |
| 365-1032 PRIMARY | Prestolite Electric Inc (USA) |
| 190564 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| Reference | Meaning |
|---|---|
| 360382S7A1 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 365-1032 | 5/9 Secondary reference Prestolite Electric Inc |
| 360382S8A1 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 60382S7S8A2 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 107377H | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 60382S7S8A2 | 5/9 Secondary reference Ford Motor Company |
| 360382S8A2 | 5/9 Secondary reference Ford Motor Company |
| 360382S7S8A1 | 5/9 Secondary reference Ford Motor Company |
| 360382S8A1 | 5/9 Secondary reference Ford Motor Company |
| 360382S7A1 | 5/9 Secondary reference Ford Motor Company |
| 60382S7S8A1 | 5/9 Secondary reference Ford Motor Company |
| 360382S7S8A1 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 360382S7S8A2 | 5/9 Secondary reference Ford Motor Company |
| 60382S7S8A1 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 360382S7S8A2 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 360382S7A2 | 5/9 Secondary reference Ford Motor Company |
| 360382S8A2 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 360382S7A2 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| B455016 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 5310-00-050-3250 is a Nut,self-Locking,hexagon, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-050-3250 has 3 manufacturer part numbers on file: 1231814A (Westinghouse Electric Corp), 365-1032 (Prestolite Electric Inc), 190564 (Chrysler Realty Company Llc Dba Daimler Chrysler).
4 possible matches (shared part number, not a government interchangeability claim): 4720-00-618-9019, 1560-00-633-3257, 5315-01-622-0984. Verify interchangeability with system specifications before substitution.
Key specifications for 1231814A: Width Across Flats: 0.375 INCHES NOMINAL IN; Thread Series: UNF; Material Document and Classification: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 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.