The Washer,key, cataloged under National Stock Number 5310-00-262-5837, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-262-5837 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Straight Key Width | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 0.192 INCHES NOMINAL0.192 INCHES NOMINAL IN |
| Overall Distance Including Keys | 1.187 INCHES NOMINAL1.187 INCHES NOMINAL IN |
| Style Designator | KEYKEY |
| Outside Diameter | 0.812 INCHES NOMINAL0.812 INCHES NOMINAL IN |
| Material Thickness | 0.031 INCHES NOMINAL0.031 INCHES NOMINAL IN |
| External Straight Key Width | 0.187 INCHES MAXIMUM0.187 INCHES MAXIMUM IN |
| External Key Quantity | 66 |
| Surface Treatment | ZINC OVERALLZINC OVERALL |
| Material | STEEL OVERALL |
| Internal Key Quantity | 11 |
| Hole Diameter | 0.510 INCHES NOMINAL0.510 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 |
| Reference | Meaning |
|---|---|
| 274405PC7 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| AX51932 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| BAX51932 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
| N60453PC7 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 5310-00-262-5837 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-262-5837: Internal Straight Key Width: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.192 INCHES NOMINAL0.192 INCHES NOMINAL IN; Overall Distance Including Keys: 1.187 INCHES NOMINAL1.187 INCHES NOMINAL IN; Style Designator: KEYKEY. 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.