The Washer,key, cataloged under National Stock Number 5310-00-209-3733, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-209-3733 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.156 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Outside Diameter | 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN |
| Material Thickness | 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| External Key Quantity | 15 |
| Internal Prebent Key Length | 0.031 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Surface Treatment | ZINC AND DICHROMATE OVERALL |
| External Prebent Key Width | 0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.601 INCHES MINIMUM AND 0.616 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 |
|---|---|
| 10214 | 3/9 Design control — primary reference Wico-Prestolite Co the Div of Eltra Corp |
NSN 5310-00-209-3733 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-209-3733: Internal Prebent Key Width: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.156 INCHES MAXIMUM IN; Style Designator: KEY; Outside Diameter: 0.797 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN. 11 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.