The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-638-9409, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-638-9409 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Plate Thickness | 0.020 INCHES NOMINAL IN |
| Nut Length | 1.078 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Plate Width | 0.391 INCHES NOMINAL IN |
| Temp Rating | 800.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SHELL |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE BASE |
| Material Document and Classification | MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES NUT |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Nut Height | 0.207 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE BASE |
| Surface Treatment | SILVER NUT |
| Surface Treatment | PASSIVATE SHELL |
| Nut Style | PLATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 |
| Reference | Meaning |
|---|---|
| 3710-82 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-638-9409 is a Nut,self-Locking,plate, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-638-9409: Plate Thickness: 0.020 INCHES NOMINAL IN; Nut Length: 1.078 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Plate Width: 0.391 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.