The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-079-1943, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Esna, Llc. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-079-1943 |
| Primary Part Number | NAJ5-02BC |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Lubrication | SOLUBLE LUBRICANT |
| Plate Thickness | 0.070 INCHES MAXIMUM IN |
| Nut Length | 0.656 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UNF |
| Temp Rating | 250.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Countersink Angle | 100.0 DEGREES NOMINAL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Mounting Provision Location | OPPOSITE NUT PROJECTION SIDE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.283 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL EXCEPT INSERT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | ALUMINUM ALLOY 2024 OVERALL EXCEPT INSERT |
| Nut Mounting Provision | COUNTERSUNK 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 |
|---|---|
| NAJ5-02BC PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| NAJ5-02BC | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-01-079-1943 is a Nut,self-Locking,plate, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-079-1943 has 1 manufacturer part number on file: NAJ5-02BC (Esna, Llc).
Key specifications for NAJ5-02BC: Lubrication: SOLUBLE LUBRICANT; Plate Thickness: 0.070 INCHES MAXIMUM IN; Nut Length: 0.656 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT. 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.