The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-348-7126, 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 Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 23 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-348-7126 |
| Primary Part Number | 03A163-3-240 |
| Item Name | Nut,self-Locking,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Plate Thickness | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN |
| Nut Length | 0.975 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UNF |
| Plate Width | 0.386 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Temp Rating | 250.0 FAHRENHEIT NOMINAL DEGF |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | MIL-A-12545 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL EXCEPT INSERT |
| Mounting Hole Diameter | 0.148 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Distance From Aperture Center to Mounting Hole Center | 0.334 INCHES MINIMUM AND 0.354 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Center to Center Distance Between Mounting Holes Along Length | 0.686 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Nut Height | 2.380 INCHES MINIMUM AND 2.420 INCHES MAXIMUM IN |
| Surface Treatment | ANODIZE OVERALL EXCEPT INSERT |
| Nut Style | PLATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING LOCKING INSERT |
| Material | ALUMINUM ALLOY 6061 OVERALL EXCEPT INSERT |
| 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 |
|---|---|
| 03A163-3-240 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 03A163-3-240 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| WSI-4-24 W | 3/2 Design control — primary reference U.S. Government activity |
| WSI-4-24NW | 5/9 Secondary reference Atlas Corp Western Sky Industries Div |
| WSI-24W | 5/9 Secondary reference U.S. Government activity |
| WSI-4-24 NW | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-348-7126 is a Nut,self-Locking,plate, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-348-7126 has 2 manufacturer part numbers on file: 03A163-3-240 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 03A163-3-240 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems).
Key specifications for 03A163-3-240: Lubrication: DRY FILM LUBRICANT; Plate Thickness: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Nut Length: 0.975 INCHES MINIMUM AND 0.995 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT. 23 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.