The Washer,lock, cataloged under National Stock Number 5310-01-381-2262, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kone Industrial Oy. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-381-2262 |
| Primary Part Number | KHV218X12A-250 ITEM 33 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kone Industrial Oy |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 47.1 MILLIMETERS NOMINAL MM |
| Material Thickness | 6.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 33.5 MILLIMETERS MINIMUM AND 34.7 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| KHV218X12A-250 ITEM 33 | Kone Industrial Oy (FIN) |
| Reference | Meaning |
|---|---|
| M12 DIN7980ZN | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
| KHV218X12A-250 ITEM 33 | 3/9 Design control — primary reference Kone Oyj Hyvinkaan Tehtaat |
NSN 5310-01-381-2262 is a Washer,lock, manufactured by Kone Industrial Oy, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-381-2262 has 1 manufacturer part number on file: KHV218X12A-250 ITEM 33 (Kone Industrial Oy).
Key specifications for KHV218X12A-250 ITEM 33: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 47.1 MILLIMETERS NOMINAL MM; Material Thickness: 6.0 MILLIMETERS NOMINAL MM; Surface Treatment: ZINC OVERALL. 6 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.