NSN 2520-01-182-7421 — this item is cataloged by the U.S. Government under National Stock Number 2520-01-182-7421. Manufacturer of record part number: 23016406.
Also searched as2520-01-182-7421 ·
2520011827421 ·
NIIN 011827421 ·
01-182-7421 ·
FSC 2520 Vehicular Power Transmission Components · CAGE 73342 · 23016406
The Lockup Valve Assembly, cataloged under National Stock Number 2520-01-182-7421, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2520-01-182-7421
Primary Part Number
23016406
Item Name
Lockup Valve Assembly
FSC / FSG
2520 / 25 — Vehicular Power Transmission Components
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 2520-01-182-7421?
NSN 2520-01-182-7421 is a Lockup Valve Assembly, 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 2520-01-182-7421?
NSN 2520-01-182-7421 has 1 manufacturer part number on file: 23016406 (Allison Transmission Inc Dba Allison Transmission, Inc).
What are the specifications of 23016406?
Key specifications for 23016406: Special Features: 2800 RPM ENGINE SERIES ALLISON MTB 640 RPM; Part Name Assigned by Controlling Agency: VALVE ASSEMBLY,MODULATED LOCKUP; End Item Identification: LAV,ANTI-TANK. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2520-01-182-7421 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.
What is the DEMIL code for NSN 2520-01-182-7421?
NSN 2520-01-182-7421 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.