The Washer,lock, cataloged under National Stock Number 5310-01-166-0602, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Olympic Controls Corp. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Washer,lock |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Olympic Controls Corp (CAGE 51915) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-166-0602 |
| Primary Part Number | 2-126574 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Olympic Controls Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2-126574 | Olympic Controls Corp (USA) |
| Reference | Meaning |
|---|---|
| 10512877 | 5/9 Secondary reference General Dynamics Land Systems Canadacorp |
| 10512877 | 5/9 Secondary reference Fabrication Specialty Inc Dba Fabrication Specialty Inc |
| 1-126574 | 5/9 Secondary reference Tokheim Corp Small Pumps Div |
| 2-126574 | 3/9 Design control — primary reference Tokheim Corp Small Pumps Div |
NSN 5310-01-166-0602 is a Washer,lock, manufactured by Olympic Controls Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-166-0602 has 1 manufacturer part number on file: 2-126574 (Olympic Controls Corp).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-231-1330. Verify interchangeability with system specifications before substitution.
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.