The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-657-4708, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-657-4708 |
| Primary Part Number | NAS1791C4-4 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Nut Length | 1.292 INCHES NOMINAL IN |
| Distance From Mounting Hole Center to Base | 0.500 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Mounting Hole Arrangement Style | 2 HOLES |
| Nut Counterbore Depth | 0.250 INCHES NOMINAL NUT IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Drilled Hole Diameter | 0.254 INCHES NOMINAL IN |
| Surface Treatment | SILVER NUT |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING NUT |
| Hole Type and Quantity | 1 DRILLED |
| 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 |
|---|---|
| NAS1791C4-4 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
NSN 5310-01-657-4708 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-657-4708 has 1 manufacturer part number on file: NAS1791C4-4 (Howmet Global Fastening Systems Inc).
Key specifications for NAS1791C4-4: Overall Height: 0.295 INCHES NOMINAL IN; Nut Length: 1.292 INCHES NOMINAL IN; Distance From Mounting Hole Center to Base: 0.500 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 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.