The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-071-3987, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-071-3987 |
| Primary Part Number | NAJ401-62 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Plate Thickness | 0.027 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| Nut Length | 0.968 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Plate Width | 0.406 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.098 INCHES NOMINAL IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Center to Center Distance Between Mounting Holes Along Length | 0.686 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Nut Height | 0.234 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE NUT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | ALUMINUM ALLOY 2014 OR ALUMINUM ALLOY 2024 NUT |
| Material | ALUMINUM ALLOY 7075 SHELL |
| Material | ALUMINUM ALLOY 1100 BASE |
| 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 |
|---|---|
| NAJ401-62 | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| NAJ401-62 | 5/9 Secondary reference Harvard Industries Inc |
| NAJ401-62 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-071-3987 is a Nut,self-Locking,plate, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-071-3987 has 1 manufacturer part number on file: NAJ401-62 (Esna, Llc).
Key specifications for NAJ401-62: Plate Thickness: 0.027 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN; Nut Length: 0.968 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE NUT; 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.