The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-308-4030, 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 23 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 | 5310-01-308-4030 |
| Primary Part Number | MKM4600-050 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Plate Thickness | 0.045 INCHES NOMINAL IN |
| Nut Length | 0.527 INCHES NOMINAL IN |
| Thread Series | UNF |
| Plate Width | 0.362 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Hole Configuration Style | CONFIGURATION F |
| Mounting Hole Diameter | 0.094 INCHES NOMINAL IN |
| Nut Counterbore Depth | 0.062 INCHES NOMINAL NUT IN |
| Thread Direction | RIGHT-HAND |
| Center to Center Distance Between Mounting Holes Along Width | 0.219 INCHES NOMINAL IN |
| Nominal Thread Size | 0.250 INCHES IN |
| Counterbore Diameter | 0.168 INCHES NOMINAL NUT IN |
| Distance From Aperture Center to Mounting Hole Center | 0.344 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.249 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.094 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| Hole Type and Quantity | 4 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 |
|---|---|
| MKM4600-050 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
NSN 5310-01-308-4030 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-308-4030 has 1 manufacturer part number on file: MKM4600-050 (Howmet Global Fastening Systems Inc).
Key specifications for MKM4600-050: Plate Thickness: 0.045 INCHES NOMINAL IN; Nut Length: 0.527 INCHES NOMINAL IN; Thread Series: UNF; Plate Width: 0.362 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN. 23 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.