The Nut,self-Locking,plate, cataloged under National Stock Number 5310-00-475-3240, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-475-3240 |
| Primary Part Number | GN502AJ3 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.029 INCHES NOMINAL IN |
| Nut Length | 0.526 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Centerline to Flat | 0.186 INCHES NOMINAL IN |
| Thread Series | UNF |
| Plate Width | 0.477 INCHES NOMINAL IN |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | MIL-S-866 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.062 INCHES MINIMUM NUT IN |
| Features Provided | FLOATING NUT |
| Thread Direction | RIGHT-HAND |
| Center to Center Distance Between Mounting Holes Along Width | 0.217 INCHES MINIMUM AND 0.221 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.190 INCHES IN |
| Counterbore Diameter | 0.194 INCHES MINIMUM NUT IN |
| Distance From Aperture Center to Mounting Hole Center | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.250 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 1137 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 |
|---|---|
| GN502AJ3 | Northrop Grumman Systems Corporation (USA) |
| F29779-3 | Satair A/s (DNK) |
| F29779-3 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 263-028-1001 | 5/2 Secondary reference U.S. Government activity |
| 11697573 | 5/9 Secondary reference Springfield Armory |
| RM52LHA3575-02 | 3/2 Design control — primary reference U.S. Government activity |
| RM52LHA3575-02 | 5/9 Secondary reference Harvard Industries Inc |
| RM52LHA35 | 5/9 Secondary reference Harvard Industries Inc |
| 1214AS119-3 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5310-00-475-3240 is a Nut,self-Locking,plate, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-475-3240 has 3 manufacturer part numbers on file: GN502AJ3 (Northrop Grumman Systems Corporation), F29779-3 (Satair A/s), F29779-3 (Howmet Global Fastening Systems Inc).
Key specifications for GN502AJ3: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.029 INCHES NOMINAL IN; Nut Length: 0.526 INCHES MINIMUM AND 0.556 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.