The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-246-5966, 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 26 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 | 5310-01-246-5966 |
| Primary Part Number | F50406-5 |
| 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 | 0.020 INCHES NOMINAL IN |
| Nut Length | 1.290 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Plate Width | 0.762 INCHES NOMINAL IN |
| Temp Rating | 65.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | MIL-R-6855 CLASS 1,GR 60 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT THREADS |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.410 INCHES MAXIMUM NUT IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Counterbore Diameter | 0.352 INCHES MINIMUM NUT IN |
| Distance From Aperture Center to Mounting Hole Center | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| Nut Height | 0.790 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE NUT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING NUT |
| Material | STEEL CORROSION RESISTING WASHER |
| Material | STEEL CORROSION RESISTING SHELL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL EXCEPT THREADS |
| 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 |
|---|---|
| F50406-5 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
NSN 5310-01-246-5966 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-246-5966 has 1 manufacturer part number on file: F50406-5 (Howmet Global Fastening Systems Inc).
Key specifications for F50406-5: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.020 INCHES NOMINAL IN; Nut Length: 1.290 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL JOINT (UNJ). 26 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.