The Nut,self-Locking,plate, cataloged under National Stock Number 5310-01-422-3025, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-422-3025 |
| Primary Part Number | 03A245-5-4 |
| 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 | 0.037 INCHES MAXIMUM IN |
| Nut Length | 1.058 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Mounting Hole Arrangement Style | 2 HOLES |
| Material Document and Classification | AMS5525 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.130 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Nut Counterbore Depth | 0.250 INCHES MINIMUM FIRST END IN |
| Features Provided | REMOVABLE COLLAR |
| Thread Direction | RIGHT-HAND |
| Center to Center Distance Between Mounting Holes Along Width | 0.705 INCHES MINIMUM AND 0.709 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.312 INCHES IN |
| Counterbore Diameter | 0.372 INCHES MINIMUM FIRST END IN |
| Distance From Aperture Center to Mounting Hole Center | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.524 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | PLATE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 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 |
|---|---|
| 03A245-5-4 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| F52951-5-4 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 5F52951-5-4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| NS202813-5-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-422-3025 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 5310-01-422-3025 has 2 manufacturer part numbers on file: 03A245-5-4 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), F52951-5-4 (Howmet Global Fastening Systems Inc).
Key specifications for 03A245-5-4: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.524 INCHES MAXIMUM IN; Plate Thickness: 0.037 INCHES MAXIMUM IN; Nut Length: 1.058 INCHES MAXIMUM IN. 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.