The Washer,key, cataloged under National Stock Number 5310-00-679-4584, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-679-4584 |
| Primary Part Number | 8395502 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES BOTTOM |
| Surface Finish | 63.0 MICROINCHES TOP |
| Internal Straight Key Width | 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN |
| Distance From Centerline to Top of Internal Key | 0.774 INCHES NOMINAL IN |
| Style Designator | KEY |
| Material Document and Classification | QQ-S-698 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Outside Diameter | 2.734 INCHES MINIMUM AND 2.766 INCHES MAXIMUM IN |
| Features Provided | CASEHARDENED |
| Material Thickness | 0.141 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Material | STEEL COMP 1009 OR STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OVERALL |
| Internal Key Quantity | 1 |
| Hole Diameter | 1.792 INCHES MINIMUM AND 1.817 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 |
NSN 5310-00-679-4584 is a Washer,key, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-679-4584 has 2 manufacturer part numbers on file: 8675891 (U S Army Tank Automotive Command Amsta-Im-Mm), 8395502 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8395502: Surface Finish: 63.0 MICROINCHES BOTTOM; Surface Finish: 63.0 MICROINCHES TOP; Internal Straight Key Width: 0.250 INCHES MINIMUM AND 0.290 INCHES MAXIMUM IN; Distance From Centerline to Top of Internal Key: 0.774 INCHES NOMINAL IN. 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.