The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-298-6985, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 28 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-298-6985 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.075 INCHES MAXIMUM IN |
| Nut Length | 1.000 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Distance From Mounting Hole Center to Base | 0.563 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Plate Width | 0.750 INCHES MAXIMUM IN |
| Temp Rating | 450.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Distance From Base to Center of Aperture | 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.055 INCHES MINIMUM AND 0.085 INCHES MAXIMUM BASE IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Specification/standard Data | 80205-NAS1033 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Counterbore Diameter | 0.318 INCHES MINIMUM AND 0.333 INCHES MAXIMUM BASE IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.248 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN |
| Nut Height | 0.437 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Countersink Angle | 120.0 DEGREES MAXIMUM NUT |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| NAS1033A5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-298-6985 is a Nut,self-Locking,plate, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-298-6985: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.075 INCHES MAXIMUM IN; Nut Length: 1.000 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL. 28 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.