The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-208-2399, 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 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-208-2399 |
| Primary Part Number | 22A1P02 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Plate Thickness | 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Nut Length | 0.969 INCHES NOMINAL IN |
| Thread Series | UNF |
| Plate Width | 0.391 INCHES NOMINAL IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Height | 0.281 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM NUT |
| Surface Treatment | CADMIUM BASE |
| Welding Projection Quantity | 1 |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL NUT |
| Material | FIBER LOCKING INSERT |
| Material | STEEL BASE |
| Nut Mounting Provision | WELDING PROJECTIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-00-208-2399 is a Nut,self-Locking,plate, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-208-2399 has 2 manufacturer part numbers on file: 22A1P02 (Esna, Llc), 22NA1P02 (Esna, Llc).
Key specifications for 22A1P02: Plate Thickness: 0.045 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Nut Length: 0.969 INCHES NOMINAL IN; Thread Series: UNF; Plate Width: 0.391 INCHES NOMINAL IN. 19 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.