The Washer,key, cataloged under National Stock Number 5310-01-070-8187, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Senior Operations Llc Div Senior Aerospace Ketema. Government technical data includes 12 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 | 5310-01-070-8187 |
| Primary Part Number | 8-60014920 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Senior Operations Llc Div Senior Aerospace Ketema |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| External Prebent Key Length | 1.750 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-A-250/11,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 4.500 INCHES NOMINAL IN |
| Material Thickness | 0.187 INCHES NOMINAL IN |
| External Key Quantity | 2 |
| External Prebent Key Angle | 16.0 DEGREES MINIMUM AND 18.0 DEGREES MAXIMUM |
| Surface Treatment | CHROMATE OVERALL |
| External Prebent Key Width | 0.605 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Hole Diameter | 2.263 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 |
|---|---|
| 8-60014920 PRIMARY | Senior Operations Llc Div Senior Aerospace Ketema (USA) |
NSN 5310-01-070-8187 is a Washer,key, manufactured by Senior Operations Llc Div Senior Aerospace Ketema, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-070-8187 has 1 manufacturer part number on file: 8-60014920 (Senior Operations Llc Div Senior Aerospace Ketema).
Key specifications for 8-60014920: Surface Treatment Document and Classification: MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; External Prebent Key Length: 1.750 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: QQ-A-250/11,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 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.