The Washer,key, cataloged under National Stock Number 5310-01-079-8482, 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 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-079-8482 |
| Primary Part Number | 12267385 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Distance From Centerline to Inside of Prebent Key | 1.100 INCHES NOMINAL IN |
| External Prebent Key Length | 0.400 INCHES NOMINAL IN |
| Overall Distance Including Keys | 2.500 INCHES NOMINAL IN |
| Style Designator | KEY |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| External Prebent Key Width | 0.300 INCHES NOMINAL IN |
| Material | STEEL COMP 1008 OVERALL |
| Hole Diameter | 1.520 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 |
NSN 5310-01-079-8482 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 5310-01-079-8482 has 3 manufacturer part numbers on file: 12267385 (U S Army Tank Automotive Command Amsta-Im-Mm), DAX12200 (Allison Transmission Inc Dba Allison Transmission, Inc), 23011018 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 12267385: Distance From Centerline to Inside of Prebent Key: 1.100 INCHES NOMINAL IN; External Prebent Key Length: 0.400 INCHES NOMINAL IN; Overall Distance Including Keys: 2.500 INCHES NOMINAL IN; Style Designator: KEY. 9 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.