The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-796-4349, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Government technical data includes 20 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-796-4349 |
| Primary Part Number | F50231-4 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Plate Thickness | 0.025 INCHES NOMINAL IN |
| Nut Length | 1.292 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.516 INCHES NOMINAL IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.500 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 1.000 INCHES NOMINAL IN |
| Nut Height | 0.251 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| 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 |
|---|---|
| F50231-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| 9635M74P02 | Howmet Global Fastening Systems Inc (USA) |
| 9635M74P02 | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| NS103126-048 | 5/2 Secondary reference U.S. Government activity |
| VN152D1-048 | 5/2 Secondary reference U.S. Government activity |
| 9635M74P02 | 5/2 Secondary reference U.S. Government activity |
| 9635M74P05 | 5/9 Secondary reference General Electric Company |
| LHA8687-4 | 5/9 Secondary reference Harvard Industries Inc |
| 9635M74P02 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-796-4349 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-796-4349 has 3 manufacturer part numbers on file: F50231-4 (Howmet Global Fastening Systems Inc), 9635M74P02 (Howmet Global Fastening Systems Inc), 9635M74P02 (General Electric Company).
Key specifications for F50231-4: Plate Thickness: 0.025 INCHES NOMINAL IN; Nut Length: 1.292 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Plate Width: 0.516 INCHES NOMINAL IN. 20 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.