The Washer,key, cataloged under National Stock Number 5310-01-174-4584, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Komatsu America Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-174-4584 |
| Primary Part Number | 674917C1 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 0.260 INCHES NOMINAL IN |
| Outside Diameter | 0.469 INCHES NOMINAL IN |
| Distance From Centerline to End of Key | 0.359 INCHES NOMINAL IN |
| External Key Quantity | 3 |
| External Prebent Key Width | 0.156 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 |
|---|---|
| 674917C1 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 674917C1 | 3/9 Design control — primary reference Komatsu American Intl Co |
NSN 5310-01-174-4584 is a Washer,key, manufactured by Komatsu America Corp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-174-4584 has 1 manufacturer part number on file: 674917C1 (Komatsu America Corp.).
Key specifications for 674917C1: Distance From Centerline to Inside of Prebent Key: 0.260 INCHES NOMINAL IN; Outside Diameter: 0.469 INCHES NOMINAL IN; Distance From Centerline to End of Key: 0.359 INCHES NOMINAL IN; External Key Quantity: 3. 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.