The Washer,key, cataloged under National Stock Number 5310-01-066-3928, 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 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-066-3928 |
| Primary Part Number | XM60445 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES TOP |
| Internal Straight Key Width | 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.830 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN |
| Heat Treatment | QUENCHED AND TEMPERED |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-700 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 2.990 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN |
| Material Thickness | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Material | STEEL COMP 1035 OR STEEL COMP 1045 OR STEEL COMP 1050 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 1.980 INCHES MINIMUM AND 1.990 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 |
| Part Number | Manufacturer |
|---|---|
| XM60445 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| 12274522 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 5310010663928 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5310-01-066-3928 is a Washer,key, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-066-3928 has 2 manufacturer part numbers on file: XM60445 (Chrysler Realty Company Llc Dba Daimler Chrysler), 12274522 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for XM60445: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Internal Straight Key Width: 0.280 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.830 INCHES MINIMUM AND 0.840 INCHES MAXIMUM IN. 13 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.