The Nut,plain,plate, cataloged under National Stock Number 5310-01-391-2355, 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 21 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 | 5310-01-391-2355 |
| Primary Part Number | MF50812-06 |
| Item Name | Nut,plain,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 | 0.682 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY2, CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNJC |
| Plate Width | 0.357 INCHES NOMINAL IN |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.435 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Nut Height | 0.171 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| MF50812-06 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
NSN 5310-01-391-2355 is a Nut,plain,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-391-2355 has 1 manufacturer part number on file: MF50812-06 (Howmet Global Fastening Systems Inc).
Key specifications for MF50812-06: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.171 INCHES NOMINAL IN; Plate Thickness: 0.020 INCHES NOMINAL IN; Nut Length: 0.682 INCHES NOMINAL IN. 21 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.