The Washer,key, cataloged under National Stock Number 5310-00-550-4012, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Goodrich Corporation. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-550-4012 |
| Primary Part Number | S60-518 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Internal Straight Key Width | 0.075 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.675 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-A-250/13 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Material Thickness | 0.091 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 1.144 INCHES MINIMUM AND 1.159 INCHES MAXIMUM 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 |
|---|---|
| S60-518 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| S60-518 | 3/9 Design control — primary reference Goodrich Corp Dba Goodrich Corp |
NSN 5310-00-550-4012 is a Washer,key, manufactured by Goodrich Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-550-4012 has 1 manufacturer part number on file: S60-518 (Goodrich Corporation).
Key specifications for S60-518: Internal Straight Key Width: 0.075 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.675 INCHES NOMINAL IN; Style Designator: KEY; Material Document and Classification: QQ-A-250/13 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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.