The Washer,key, cataloged under National Stock Number 5310-00-478-6728, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-478-6728 |
| Primary Part Number | 2909259 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Internal Straight Key Width | 0.250 INCHES NOMINAL IN |
| Distance From Centerline to Top of Internal Key | 0.890 INCHES NOMINAL IN |
| Overall Distance Including Keys | 3.031 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 2.562 INCHES NOMINAL IN |
| Material Thickness | 0.079 INCHES NOMINAL IN |
| External Straight Key Width | 0.375 INCHES NOMINAL IN |
| External Key Quantity | 11 |
| Material | STEEL OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 2.031 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 |
|---|---|
| 2909259 | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| Reference | Meaning |
|---|---|
| 2909259 | 5/9 Secondary reference Chrysler Corp Hamtramck Assembly |
| 2909259 | 5/9 Secondary reference U.S. Government activity |
| 2909259 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-478-6728 is a Washer,key, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-478-6728 has 1 manufacturer part number on file: 2909259 (Chrysler Realty Company Llc Dba Daimler Chrysler).
Key specifications for 2909259: Internal Straight Key Width: 0.250 INCHES NOMINAL IN; Distance From Centerline to Top of Internal Key: 0.890 INCHES NOMINAL IN; Overall Distance Including Keys: 3.031 INCHES NOMINAL IN; Style Designator: KEY. 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.