The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-666-6099, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-666-6099 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Plate Thickness | 0.030 INCHES MAXIMUM IN |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Nut Length | 1.058 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS2410 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE NUT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS5525,5735 OR 5737 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | AMS5525,5735 OR 5737 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE SHELL |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.430 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.705 INCHES MINIMUM AND 0.709 INCHES MAXIMUM IN |
| Nut Height | 0.332 INCHES MAXIMUM IN |
| Surface Treatment | SILVER NUT |
| Surface Treatment | PASSIVATE SHELL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 SHELL |
| Material | IRON ALLOY 660 NUT |
| 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 |
|---|---|
| NS103625-054-1NL | 3/2 Design control — primary reference U.S. Government activity |
| NS 103625 | D/9 Drawing number reference only U.S. Government activity |
NSN 5310-01-666-6099 is a Nut,self-Locking,plate, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-666-6099: Plate Thickness: 0.030 INCHES MAXIMUM IN; Bearing Surface Finish: 125.0 MICROINCHES; Nut Length: 1.058 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS2410 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE NUT. 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.