The Washer,key, cataloged under National Stock Number 5310-00-286-9663, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-286-9663 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN |
| External Straight Key Length | 0.219 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Distance Including Keys | 1.438 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.990 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| External Straight Key Width | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| External Key Quantity | 4 |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 0.641 INCHES MINIMUM AND 0.651 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 |
| Reference | Meaning |
|---|---|
| 2W11A10 | 3/2 Design control — primary reference U.S. Government activity |
| 2W11A10 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 5310-00-286-9663 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-286-9663: Internal Straight Key Width: 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; External Straight Key Length: 0.219 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 14 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.