The Washer,lock, cataloged under National Stock Number 5310-00-765-4307, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-765-4307 |
| Primary Part Number | 643090 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | CANCELLED |
| Material | ALUMINUM ALLOY 5052 OVERALL |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Diameter | 0.175 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN |
| Material Thickness | 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN |
| Outside Diameter | 0.513 INCHES MINIMUM AND 0.519 INCHES MAXIMUM IN |
| Surface Treatment | CHROMATE OVERALL |
| Material Document and Classification | QQ-A-250/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 643090 | Kearfott Corporation Div Guidance and Navigation Division (USA) |
| 643090 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 643096 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| SK643090 | Arma Div Ambac Industries Inc |
| 5K643090 | Northrop Grumman Systems Corporation (USA) |
| 294392 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| MS17186-2 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 236-1041PC1 | Raytheon Company Div Corp (USA) |
| 9166151 | Us Army Aviation and Missile Command (USA) |
| 236-1041P1 | Raytheon Company Div Corp (USA) |
NSN 5310-00-765-4307 is a Washer,lock, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-765-4307 has 10 cross-referenced part numbers: 643090 (Kearfott Corporation Div Guidance and Navigation Division), 643090 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 643096 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), SK643090 (Arma Div Ambac Industries Inc), 5K643090 (Northrop Grumman Systems Corporation) and 5 more.
There are 2 known substitutes for 5310-00-765-4307: 3120-00-353-7278, 5310-00-369-2779. Verify interchangeability with system specifications before substitution.
Key specifications for 643090: Material: ALUMINUM ALLOY 5052 OVERALL; Surface Treatment Document and Classification: MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Hole Diameter: 0.175 INCHES MINIMUM AND 0.178 INCHES MAXIMUM IN; Material Thickness: 0.017 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-765-4307 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.