The Washer,key, cataloged under National Stock Number 5310-00-541-1097, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Saginaw Products Corporation Dba Cignys. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-541-1097 |
| Primary Part Number | 7435-66C |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Saginaw Products Corporation Dba Cignys |
| Status | ACTIVE |
| Internal Straight Key Width | 0.125 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 0.500 INCHES NOMINAL IN |
| Heat Treatment | AS FABRICATED |
| Style Designator | KEY |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 1.125 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 |
|---|---|
| 7435-66C PRIMARY | Saginaw Products Corporation Dba Cignys (USA) |
NSN 5310-00-541-1097 is a Washer,key, manufactured by Saginaw Products Corporation Dba Cignys, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-541-1097 has 1 manufacturer part number on file: 7435-66C (Saginaw Products Corporation Dba Cignys).
Key specifications for 7435-66C: Internal Straight Key Width: 0.125 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.500 INCHES NOMINAL IN; Heat Treatment: AS FABRICATED; Style Designator: KEY. 10 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.