The Washer,lock, cataloged under National Stock Number 5310-00-209-2028, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ordnance Standards. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-209-2028 |
| Primary Part Number | 12Z3010-31 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Naval Ordnance Standards |
| Status | CANCELLED |
| Material Thickness | 0.036 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Outside Diameter | 0.692 INCHES NOMINAL IN |
| Style Designator | FLAT INTERNAL TEETH |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Hole Diameter | 0.383 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN |
| Nondefinitive Spec/std Data | A TYPE |
| Departure From Cited Document | AS MODIFIED BY SURFACE FINISH |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 12Z3010-31 | Naval Ordnance Standards (USA) |
| 1920 | Itw Shakeproof Automotive Products (USA) |
| 12Z3010-31 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 904701-07 | Northrop Grumman Systems Corporation (USA) |
| AN936A616B | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 503B4-91-2 | Cardwell Condenser Corp Lapointe-Admiral Div (USA) |
| 904701-07 | Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA) |
NSN 5310-00-209-2028 is a Washer,lock, manufactured by Naval Ordnance Standards, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-209-2028 has 7 cross-referenced part numbers: 12Z3010-31 (Naval Ordnance Standards), 1920 (Itw Shakeproof Automotive Products), 12Z3010-31 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 904701-07 (Northrop Grumman Systems Corporation), AN936A616B (Aeronautical Standards Group Dept of Navy and Air Force) and 2 more.
There are 12 known substitutes for 5310-00-209-2028: 4730-00-172-0044, 5310-00-261-7302, 5310-00-274-8669 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 12Z3010-31: Material Thickness: 0.036 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL; Outside Diameter: 0.692 INCHES NOMINAL IN; Style Designator: FLAT INTERNAL TEETH. 8 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-209-2028 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.