The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-320-6239, 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 14 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 | 5310-01-320-6239 |
| Primary Part Number | KM4600-050 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Plate Thickness | 0.040 INCHES NOMINAL IN |
| Nut Length | 0.610 INCHES NOMINAL IN |
| Thread Series | UNEF |
| Plate Width | 0.600 INCHES NOMINAL IN |
| Hole Configuration Style | CONFIGURATION F |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.252 INCHES NOMINAL IN |
| Surface Treatment | DISULFIDE MOLYBDENUM OVERALL |
| Nut Style | PLATE |
| 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 |
|---|---|
| KM4600-050 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
NSN 5310-01-320-6239 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-320-6239 has 1 manufacturer part number on file: KM4600-050 (Howmet Global Fastening Systems Inc).
Key specifications for KM4600-050: Plate Thickness: 0.040 INCHES NOMINAL IN; Nut Length: 0.610 INCHES NOMINAL IN; Thread Series: UNEF; Plate Width: 0.600 INCHES NOMINAL IN. 14 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.