The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-579-0281, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-579-0281 |
| Primary Part Number | 333931 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Plate Thickness | 0.062 INCHES NOMINAL IN |
| Nut Length | 1.270 INCHES NOMINAL IN |
| Distance From Mounting Hole Center to Base | 0.990 INCHES NOMINAL IN |
| Thread Series | UNF |
| Plate Width | 0.560 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 1 HOLE |
| Criticality Code Justification | AGAV |
| Distance From Base to Center of Aperture | 0.740 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5504 ASSN STD SINGLE MATERIAL RESPONSE BASE |
| Material Document and Classification | AMS 5642 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5642 ASSN STD 2ND MATERIAL RESPONSE NUT |
| Mounting Hole Diameter | 0.344 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.4095 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL UNS S34720 OR STEEL UNS S34723 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 333931 | Tokyo Judoi Kogyo K.k. (JPN) |
| 333931 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 333931 | 5/9 Secondary reference Dynamic Gunver Technologies Llc |
| 333931 | 5/9 Secondary reference Tokyo Judogi Kogyo Co. |
| 333931 | 5/9 Secondary reference Gould E a and Co |
NSN 5310-00-579-0281 is a Nut,self-Locking,plate, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-579-0281 has 2 manufacturer part numbers on file: 333931 (Tokyo Judoi Kogyo K.k.), 333931 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 333931: Plate Thickness: 0.062 INCHES NOMINAL IN; Nut Length: 1.270 INCHES NOMINAL IN; Distance From Mounting Hole Center to Base: 0.990 INCHES NOMINAL IN; Thread Series: UNF. 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.