NSN 2520-01-239-1673 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-239-1673. Manufacturer of record part number: 6764060.
Also searched as2520-01-239-1673 ·
2520012391673 ·
NIIN 012391673 ·
01-239-1673 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 73342 · 6764060 · 7707402
General Characteristics Item Description: MATERIAL IS ALUMINUM ALLOY FORGING COMP.2014 TEMPER T6 SPEC.QQ-A-367.ADDITIONAL INFORMATION MAYBE OBTAINED FROM DRWG.7707402,CAGE 19207
2 manufacturer part numbers on file
Manufacturer of record: Allison Transmission Inc Dba Allison Transmission, Inc
Identification
NSN: 2520-01-239-1673
NIIN: 012391673
FSC: 2520 — Vehicular Power Transmission Components
The Piston,right, cataloged under National Stock Number 2520-01-239-1673, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 1 specification, 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.
Technical Specifications
Parameter
Value
NSN
2520-01-239-1673
Primary Part Number
6764060
Item Name
Piston,right
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
No interchangeability data on file.
Other items in FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-005-4937
CLUTCH PACKAGE
2520-00-006-6257
2520-00-006-6257 · Item name not on file
2520-00-008-9977
SPIDER,UNIVERSAL JOINT,VEHICULAR
2520-00-039-6567
SOCKET
2520-00-242-3316
CLUTCH ASSEMBLY,HUB
2520-00-358-3905
COVER
2520-00-366-7191
COLLAR,SHAFT LINKAGE
2520-00-708-6603
COVER CONTROL LEVER
Frequently Asked Questions
What is NSN 2520-01-239-1673?
NSN 2520-01-239-1673 is a Piston,right, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
What part numbers are listed for NSN 2520-01-239-1673?
NSN 2520-01-239-1673 has 2 manufacturer part numbers on file: 6764060 (Allison Transmission Inc Dba Allison Transmission, Inc), 7707402 (U S Army Tank Automotive Command Amsta-Im-Mm).
What are the specifications of 6764060?
Key specifications for 6764060: General Characteristics Item Description: MATERIAL IS ALUMINUM ALLOY FORGING COMP.2014 TEMPER T6 SPEC.QQ-A-367.ADDITIONAL INFORMATION MAYBE OBTAINED FROM DRWG.7707402,CAGE 19207. 1 specification is documented in the U.S. Government catalog.
Is NSN 2520-01-239-1673 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.