The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-330-2345, 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 15 specifications, cited from the U.S. Government catalog. The record lists 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-330-2345 |
| Primary Part Number | 03A153-5L |
| 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 | 0.520 INCHES MAXIMUM IN |
| Width Across Flats | 0.367 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Washer Thickness | 0.023 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| 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 |
|---|---|
| BACN10YR5CM | Boeing Defence Australia Ltd Div Defense, Space & Security (AUS) |
| PLH55CM | Alcoa Global Fasteners, Inc Dba Simmonds Mecaero Fas Pdts Div Simmonds Mecaero Fas Pdts (USA) |
| BACN10YR5CM | Boeing Defence Australia Ltd (AUS) |
| 03A153-5L PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| NRH30C-5M | Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems (USA) |
| BH1291C-5MFA | Bristol Industries, Llc (USA) |
| 83963-5L | Sps Technologies, Llc Dba PB Fasteners (USA) |
| H52732-5CM | Howmet Global Fastening Systems Inc (USA) |
| H52766-5 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| VN324DH054 | 5/9 Secondary reference U.S. Government activity |
| 03A153-5L | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| VN324D054 | 5/9 Secondary reference U.S. Government activity |
| BACN10YR5CM | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-01-330-2345 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 5310-01-330-2345 has 9 manufacturer part numbers on file: BACN10YR5CM (Boeing Defence Australia Ltd Div Defense, Space & Security), PLH55CM (Alcoa Global Fasteners, Inc Dba Simmonds Mecaero Fas Pdts Div Simmonds Mecaero Fas Pdts), BACN10YR5CM (Boeing Defence Australia Ltd), 03A153-5L (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), NRH30C-5M (Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems) and 4 more.
1 possible match (shared part number, not a government interchangeability claim): 5310-01-669-6909. Verify interchangeability with system specifications before substitution.
Key specifications for 03A153-5L: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.266 INCHES MAXIMUM IN; Washer Outside Diameter: 0.520 INCHES MAXIMUM IN; Width Across Flats: 0.367 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN. 15 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.