The Washer,key, cataloged under National Stock Number 5310-00-397-4485, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Compressor Engineering Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-397-4485 |
| Primary Part Number | CE-W104060 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Compressor Engineering Corp |
| Status | ACTIVE |
| Internal Straight Key Width | 0.300 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 0.351 INCHES NOMINAL IN |
| Overall Distance Including Keys | 3.407 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 1.781 INCHES NOMINAL IN |
| Material Thickness | 0.100 INCHES NOMINAL IN |
| External Straight Key Width | 0.600 INCHES NOMINAL IN |
| External Key Quantity | 5 |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 1.013 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 |
|---|---|
| CE-W104060 | Compressor Engineering Corp (USA) |
| Reference | Meaning |
|---|---|
| W104060 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| W104060 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 5310PL1256791 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| W104060 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-397-4485 is a Washer,key, manufactured by Compressor Engineering Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-397-4485 has 1 manufacturer part number on file: CE-W104060 (Compressor Engineering Corp).
Key specifications for CE-W104060: Internal Straight Key Width: 0.300 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.351 INCHES NOMINAL IN; Overall Distance Including Keys: 3.407 INCHES NOMINAL IN; Style Designator: KEY. 11 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.