The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-337-2352, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-337-2352 |
| Primary Part Number | 03A154-6L |
| Item Name | Nut,self-Locking,extended Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Lubrication | DRY FILM LUBRICANT |
| Washer Outside Diameter | 0.588 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN |
| Width Across Flats | 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Temp Rating | 450.0 FAHRENHEIT NOMINAL DEGF |
| Washer Thickness | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 OVERALL |
| 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 |
|---|---|
| 03A154-6L PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 83672-6L | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BH154-6L | Bristol Industries, Llc (USA) |
| H52767-6 | Howmet Global Fastening Systems Inc (USA) |
| NRH90C-6M | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| VN325DH064 | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
NSN 5310-01-337-2352 is a Nut,self-Locking,extended Washer, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-337-2352 has 5 manufacturer part numbers on file: 03A154-6L (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 83672-6L (Sps Technologies, Llc Dba PB Fasteners), BH154-6L (Bristol Industries, Llc), H52767-6 (Howmet Global Fastening Systems Inc), NRH90C-6M (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems).
Key specifications for 03A154-6L: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.448 INCHES MINIMUM AND 0.458 INCHES MAXIMUM IN; Washer Outside Diameter: 0.588 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN; Width Across Flats: 0.430 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN. 16 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.