The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-042-8600, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-042-8600 |
| Primary Part Number | MK1301-6 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.055 INCHES NOMINAL IN |
| Nut Length | 1.116 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.614 INCHES MAXIMUM IN |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.062 INCHES MINIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Counterbore Diameter | 0.379 INCHES MINIMUM NUT IN |
| Distance From Aperture Center to Mounting Hole Center | 0.414 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.828 INCHES NOMINAL IN |
| Nut Height | 0.344 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING 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 |
NSN 5310-00-042-8600 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-042-8600 has 2 manufacturer part numbers on file: MK1301-6 (Howmet Global Fastening Systems Inc), MK1301-6 (Satair A/s).
Key specifications for MK1301-6: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.055 INCHES NOMINAL IN; Nut Length: 1.116 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.