The Washer,lock, cataloged under National Stock Number 5310-01-488-5664, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is National Oilwell Varco Inc Dba National Oilwell. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | National Oilwell Varco Inc Dba National Oilwell (CAGE 52142) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-488-5664 |
| Primary Part Number | 1690-30-0011 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | National Oilwell Varco Inc Dba National Oilwell |
| Status | ACTIVE |
| 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 |
|---|---|
| 1690-30-0011 PRIMARY | National Oilwell Varco Inc Dba National Oilwell (USA) |
| Reference | Meaning |
|---|---|
| G95947 | D/9 Drawing number reference only National Oilwell Varco Inc Dba National Oilwell |
NSN 5310-01-488-5664 is a Washer,lock, manufactured by National Oilwell Varco Inc Dba National Oilwell, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-488-5664 has 1 manufacturer part number on file: 1690-30-0011 (National Oilwell Varco Inc Dba National Oilwell).
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.