The Washer,key, cataloged under National Stock Number 5310-00-489-9813, 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11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-489-9813 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Internal Prebent Key Width | 0.250 INCHES NOMINAL IN |
| Overall Distance Including Keys | 3.344 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 2.844 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| External Key Quantity | 17 |
| Internal Prebent Key Length | 0.125 INCHES NOMINAL IN |
| Surface Treatment | PAINT OVERALL |
| External Prebent Key Width | 0.219 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 2.400 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 |
|---|---|
| DW12 | 3/9 Design control — primary reference General Motors Corp Delco Moraine Ndh Div |
| DW12 | 5/9 Secondary reference General Motors Corp |
| DW12 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 5310-00-489-9813 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3220-01-086-1060. Verify interchangeability with system specifications before substitution.
Key specifications for 5310-00-489-9813: Internal Prebent Key Width: 0.250 INCHES NOMINAL IN; Overall Distance Including Keys: 3.344 INCHES NOMINAL IN; Style Designator: KEY; Outside Diameter: 2.844 INCHES NOMINAL 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.