The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-754-1644, 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 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-754-1644 |
| Primary Part Number | NAJ407-048 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Esna, Llc |
| Status | ACTIVE |
| Plate Thickness | 0.075 INCHES NOMINAL IN |
| Nut Length | 1.265 INCHES NOMINAL IN |
| Thread Series | UNF |
| Plate Width | 0.515 INCHES NOMINAL IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | QQ-A-200/11,T6 FED SPEC SINGLE MATERIAL RESPONSE BASE |
| Material Document and Classification | QQ-A-200/2,T6 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Mounting Hole Diameter | 0.098 INCHES NOMINAL IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.500 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Center to Center Distance Between Mounting Holes Along Length | 0.312 INCHES NOMINAL IN |
| Nut Height | 0.375 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE NUT |
| Surface Treatment | ANODIZE BASE |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | ALUMINUM ALLOY 2024 NUT |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | ALUMINUM ALLOY 7075 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 |
|---|---|
| NAJ407-048 PRIMARY | Esna, Llc (USA) |
| Reference | Meaning |
|---|---|
| NAJ407-048 | 5/9 Secondary reference Harvard Industries Inc |
NSN 5310-00-754-1644 is a Nut,self-Locking,plate, manufactured by Esna, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-754-1644 has 1 manufacturer part number on file: NAJ407-048 (Esna, Llc).
Key specifications for NAJ407-048: Plate Thickness: 0.075 INCHES NOMINAL IN; Nut Length: 1.265 INCHES NOMINAL IN; Thread Series: UNF; Plate Width: 0.515 INCHES NOMINAL IN. 25 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.