The Washer,key, cataloged under National Stock Number 5310-01-183-1790, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Shur-Lok International. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-183-1790 |
| Primary Part Number | SL61WM50P |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Shur-Lok International |
| Status | ACTIVE |
| Criticality Code Justification | AGAV |
| 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 |
|---|---|
| SL61WM50P | Shur-Lok International (BEL) |
| Reference | Meaning |
|---|---|
| SL61WM50P | 3/2 Design control — primary reference U.S. Government activity |
| SLW40227M050 | C/1 Advisory reference — outside the item-of-supply concept Cfm International Inc Dba Cfm International |
| SLW0227M050 | 5/9 Secondary reference Lenz Electric Mfg Co |
NSN 5310-01-183-1790 is a Washer,key, manufactured by Shur-Lok International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-183-1790 has 1 manufacturer part number on file: SL61WM50P (Shur-Lok International).
Key specifications for SL61WM50P: Criticality Code Justification: AGAV; Part Name Assigned by Controlling Agency: WASHER TAB; End Item Identification: GEARBOX ASSY-TRANSFER. 1 specification is 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.