The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-685-3003, 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23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-685-3003 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Plate Thickness | 0.075 INCHES MAXIMUM IN |
| Nut Length | 1.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.531 INCHES MAXIMUM IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Specification/standard Data | 80205-NAS1025 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Distance From Aperture Center to Mounting Hole Center | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Center to Center Distance Between Mounting Holes Along Length | 0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN |
| Nut Height | 0.375 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OR CHROMATE OVERALL EXCEPT INSERT |
| Countersink Angle | 120.0 DEGREES NOMINAL NUT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| NAS1025D5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-685-3003 is a Nut,self-Locking,plate, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-685-3003: Plate Thickness: 0.075 INCHES MAXIMUM IN; Nut Length: 1.250 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF). 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.