The Cup,compression, cataloged under National Stock Number 5340-00-337-6457, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-337-6457 |
| Primary Part Number | 6765569 |
| Item Name | Cup,compression |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| FSC Application Data | PISTON,TRANSMISSION,COMBAT TANK |
| Overall Diameter | 5.657 INCHES MINIMUM AND 5.791 INCHES MAXIMUM IN |
| Recess Major Inside Diameter | 5.567 INCHES MINIMUM AND 5.691 INCHES MAXIMUM IN |
| Center Hole Diameter | 5.133 INCHES MINIMUM AND 5.237 INCHES MAXIMUM IN |
| Base Material Thickness | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5340-00-337-6457 is a Cup,compression, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-337-6457 has 2 manufacturer part numbers on file: 7707779 (U S Army Tank Automotive Command Amsta-Im-Mm), 6765569 (Allison Transmission Inc Dba Allison Transmission, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-131-0857. Verify interchangeability with system specifications before substitution.
Key specifications for 6765569: FSC Application Data: PISTON,TRANSMISSION,COMBAT TANK; Overall Diameter: 5.657 INCHES MINIMUM AND 5.791 INCHES MAXIMUM IN; Overall Length: 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Recess Major Inside Diameter: 5.567 INCHES MINIMUM AND 5.691 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.