The Washer,lock, cataloged under National Stock Number 5310-00-306-2218, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-306-2218 |
| Primary Part Number | 8023530 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Style Designator | FLAT INTERNAL TEETH |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Material Thickness | 0.020 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL COMP 1050 OVERALL |
| Hole Diameter | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 8023530 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 8606737 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 8023530 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| 8175119 | Us Army Aviation and Missile Command (USA) |
| 8606737 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 8023530 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
| 8606737 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 8606737 | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
| 8023530 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5310-00-306-2218 is a Washer,lock, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-306-2218 has 5 manufacturer part numbers on file: 8023530 (Us Army Aviation and Missile Command), 8606737 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 8023530 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 8175119 (Us Army Aviation and Missile Command), 8606737 (Us Army Aviation and Missile Command).
Key specifications for 8023530: Style Designator: FLAT INTERNAL TEETH; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN; Material Thickness: 0.020 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN. 7 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.