The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-058-3973, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. 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 | 5310-01-058-3973 |
| Primary Part Number | 363121-1 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Plate Thickness | 0.065 INCHES NOMINAL IN |
| Nut Length | 0.482 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 981605-3 FSCM 00752 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Plate Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | FED-STD-66 FED SPEC SINGLE MATERIAL RESPONSE THREADS |
| Material Document and Classification | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT THREADS |
| Mounting Hole Diameter | 0.066 INCHES MINIMUM AND 0.071 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.148 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.294 INCHES MINIMUM AND 0.298 INCHES MAXIMUM IN |
| Nut Height | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE OVERALL |
| Countersink Angle | 120.0 DEGREES NOMINAL BASE |
| Nut Style | PLATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 304 THREADS |
| Material | ALUMINUM ALLOY 6061 OVERALL EXCEPT THREADS |
| 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 |
|---|---|
| 363121-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
NSN 5310-01-058-3973 is a Nut,self-Locking,plate, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-058-3973 has 1 manufacturer part number on file: 363121-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for 363121-1: Plate Thickness: 0.065 INCHES NOMINAL IN; Nut Length: 0.482 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 981605-3 FSCM 00752 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC). 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.