The Washer,lock, cataloged under National Stock Number 5310-01-424-0657, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dings Co Div of Venturedyne Ltd. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-424-0657 |
| Primary Part Number | W004006-006C |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dings Co Div of Venturedyne Ltd |
| Status | ACTIVE |
| Outside Diameter | 0.489 INCHES NOMINAL IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Material | STEEL COMP 316 OVERALL |
| Closed Inside Diameter | 0.255 INCHES NOMINAL 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 |
|---|---|
| W004006-006C PRIMARY | Dings Co Div of Venturedyne Ltd (USA) |
| Reference | Meaning |
|---|---|
| 4-6-6C | 5/9 Secondary reference Dings Co Div of Venturedyne Ltd |
NSN 5310-01-424-0657 is a Washer,lock, manufactured by Dings Co Div of Venturedyne Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-424-0657 has 1 manufacturer part number on file: W004006-006C (Dings Co Div of Venturedyne Ltd).
Key specifications for W004006-006C: Outside Diameter: 0.489 INCHES NOMINAL IN; Material Thickness: 0.062 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SPLIT LOCK WASHER; Material: STEEL COMP 316 OVERALL. 4 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.