The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-031-8303, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-031-8303 |
| Primary Part Number | 2170729 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Plate Thickness | 0.005 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN |
| Nut Length | 0.440 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE NUT |
| Distance From Mounting Hole Center to Base | 0.230 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Plate Width | 0.270 INCHES NOMINAL IN |
| Temp Rating | -550.0 FAHRENHEIT NOMINAL DEGF |
| Distance From Base to Center of Aperture | 0.141 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.066 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.112 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.138 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Nut Height | 0.132 INCHES MINIMUM AND 0.162 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 2170729 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5310-01-031-8303 is a Nut,self-Locking,plate, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-031-8303 has 1 manufacturer part number on file: 2170729 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2170729: Plate Thickness: 0.005 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN; Nut Length: 0.440 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TYPE 2 CLASS 3 FED SPEC 1ST TREATMENT RESPONSE NUT; Distance From Mounting Hole Center to Base: 0.230 INCHES NOMINAL IN. 21 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.