The Washer,lock, cataloged under National Stock Number 5310-00-161-9665, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Wheeler Fleet Solutions, Co.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-161-9665 |
| Primary Part Number | 29166-99034 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wheeler Fleet Solutions, Co. |
| Status | ACTIVE |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Outside Diameter | 0.559 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.323 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 |
|---|---|
| 29166-99034 PRIMARY | Wheeler Fleet Solutions, Co. (USA) |
| Reference | Meaning |
|---|---|
| 2-916-693-007 | 5/9 Secondary reference Robert Bosch Gesellschaft Mit Beschrankter Haftung |
NSN 5310-00-161-9665 is a Washer,lock, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-161-9665 has 1 manufacturer part number on file: 29166-99034 (Wheeler Fleet Solutions, Co.).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-013-5630, 5310-01-238-8406. Verify interchangeability with system specifications before substitution.
Key specifications for 29166-99034: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.559 INCHES NOMINAL IN; Material Thickness: 0.063 INCHES NOMINAL IN; Material: STEEL OVERALL. 5 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.