The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-101-3369, 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 22 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 | 5310-01-101-3369 |
| Primary Part Number | MF1331-06 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc |
| Status | ACTIVE |
| Plate Thickness | 0.020 INCHES NOMINAL IN |
| Nut Length | 0.505 INCHES MAXIMUM IN |
| Thread Series | UNJC |
| Precious Material | SILVER |
| Plate Width | 0.317 INCHES MAXIMUM IN |
| Temp Rating | 900.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.066 INCHES MINIMUM AND 0.071 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 | 0.171 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.341 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN |
| Nut Height | 0.171 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Precious Material and Location | ALL SURFACES SILVER |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 5310-01-101-3369 is a Nut,self-Locking,plate, manufactured by Howmet Global Fastening Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-101-3369 has 2 manufacturer part numbers on file: MF1331-06 (Howmet Global Fastening Systems Inc), 990293-42 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for MF1331-06: Plate Thickness: 0.020 INCHES NOMINAL IN; Nut Length: 0.505 INCHES MAXIMUM IN; Thread Series: UNJC; Precious Material: SILVER. 22 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.