The Washer,key, cataloged under National Stock Number 5310-00-656-3879, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-656-3879 |
| Primary Part Number | 6794053 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| External Straight Key Length | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Distance From Centerline to Inside of Prebent Key | 0.287 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN |
| Internal Prebent Key Width | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 1.052 INCHES MINIMUM AND 1.072 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5042 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| External Straight Key Width | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| External Key Quantity | 7 |
| Internal Prebent Key Length | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 OVERALL |
| Internal Key Quantity | 2 |
| Hole Diameter | 0.678 INCHES MINIMUM AND 0.698 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 5310-00-656-3879 is a Washer,key, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-656-3879 has 2 manufacturer part numbers on file: 6794053 (General Motors Corp), 6794053 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 6794053: External Straight Key Length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Distance From Centerline to Inside of Prebent Key: 0.287 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN; Internal Prebent Key Width: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Overall Distance Including Keys: 1.052 INCHES MINIMUM AND 1.072 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.