The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-255-2697, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-255-2697 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Plate Thickness | 0.035 INCHES NOMINAL IN |
| Nut Length | 1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Plate Width | 0.579 INCHES MINIMUM AND 0.609 INCHES MAXIMUM IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Hardness Rating | 46.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | ASTM A108 ASSN STD 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 |
| Specification/standard Data | 81205-BACN10EJ MANUFACTURERS 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 OR PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.998 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| Nut Height | 0.329 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL COMP 1137 NUT |
| Material | STEEL COMP 1010 SHELL |
| 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 |
|---|---|
| BACN10EJ5LS | 5/2 Secondary reference U.S. Government activity |
| BACN10EJ5LS | 3/2 Design control — primary reference U.S. Government activity |
| 2600HT-054 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-255-2697 is a Nut,self-Locking,plate, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-255-2697: Plate Thickness: 0.035 INCHES NOMINAL IN; Nut Length: 1.266 INCHES MINIMUM AND 1.296 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF. 26 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.