The Washer,key, cataloged under National Stock Number 5310-00-571-4569, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-571-4569 |
| Primary Part Number | 108028 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Internal Straight Key Width | 0.312 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 1.835 INCHES NOMINAL IN |
| Overall Distance Including Keys | 5.750 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 5.125 INCHES NOMINAL IN |
| Material Thickness | 0.120 INCHES NOMINAL IN |
| External Straight Key Width | 0.375 INCHES NOMINAL IN |
| External Key Quantity | 11 |
| Material | STEEL COMP 1010 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 4.016 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 |
| Part Number | Manufacturer |
|---|---|
| 108028 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 108028 | 5/9 Secondary reference Clark Equipment Co |
NSN 5310-00-571-4569 is a Washer,key, manufactured by Dana Off Highway Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-571-4569 has 1 manufacturer part number on file: 108028 (Dana Off Highway Products, Llc).
Key specifications for 108028: Internal Straight Key Width: 0.312 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 1.835 INCHES NOMINAL IN; Overall Distance Including Keys: 5.750 INCHES NOMINAL IN; Style Designator: KEY. 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.