The Washer,lock, cataloged under National Stock Number 5310-01-273-7525, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Wartsila Canada Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | Wartsila Canada Inc (CAGE 36719); Robert Bosch Llc (CAGE 53867) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-273-7525 |
| Primary Part Number | 110-2797 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Wartsila Canada Inc |
| 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 |
|---|---|
| 110-2797 | Wartsila Canada Inc (CAN) |
| 2916693005 | Robert Bosch Llc (USA) |
| Reference | Meaning |
|---|---|
| 79977 | 3/2 Design control — primary reference U.S. Government activity |
| 6.0216.01.0.0060 | 5/9 Secondary reference Mwm-Murphy Diesel Co |
NSN 5310-01-273-7525 is a Washer,lock, manufactured by Wartsila Canada Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-273-7525 has 2 manufacturer part numbers on file: 110-2797 (Wartsila Canada Inc), 2916693005 (Robert Bosch Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-314-2207, 6530-01-549-9422, 5930-01-644-6172. 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.