PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

A892Countershaft

Name: A892
SKU: 2520-00-708-6572

Eaton Corp Transmission Div · NSN 2520-00-708-6572 · FSC 2520 · No Item Name Available

Verified by PartsTable

NSN 2520-00-708-6572 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-708-6572. Primary manufacturer part number: A892.

2520-00-708-6572 — No Item Name Available illustration

Features

Countershaft — FSC 2520
6 verified cross-references
Primary manufacturer: Eaton Corp Transmission Div

Applications

Industrial maintenance and repair
Government and military logistics
Equipment overhaul and refurbishment

General Description

The Countershaft, cataloged under National Stock Number 2520-00-708-6572, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Eaton Corp Transmission Div. This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts

Item Name	Countershaft
FSC / FSG	2520 — No Item Name Available (FSG 25)
Manufacturers	Brockway Motor Trucks Div of Mack Trucks Inc (CAGE 08683); Brp Manufacturing Co (CAGE 94519); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207); White Motor Corp (CAGE 65282); Eaton Corp Transmission Div (CAGE 73460)

Technical Specifications

Parameter	Value
NSN	2520-00-708-6572
Primary Part Number	A892
Item Name	Countershaft
FSC / FSG	2520 / 25 — No Item Name Available
Manufacturer	Eaton Corp Transmission Div
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 8

4730-00-074-169386213-2 INTERCHANGEABLE

Fitting,chain Lube,inseparable

Alpine Machine & Tool Corporation

4470-00-464-6084 INTERCHANGEABLE

Logic Card

2805-00-678-13698754650 INTERCHANGEABLE

Tappet,engine Poppet Valve

U S Army Tank Automotive Command Amsta-Im-Mm

5945-00-680-9979 INTERCHANGEABLE

Solenoid,electrical

5950-01-039-318842251-1 INTERCHANGEABLE

Coil,radio Frequency

Thales Usa, Inc. Div Air Mobility Solutions ("ams")

3040-01-169-3672A-892 INTERCHANGEABLE

Cylinder Assembly,a

Forenta Lp

6685-01-201-798825900 INTERCHANGEABLE

Dampener,fluid Pressure

Kaydon Custom Filtration Corporation

4140-01-320-601842250-1 INTERCHANGEABLE

Fan,vaneaxial

Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.

Cross-Reference Index

Part Number	Manufacturer
231820-1	Brockway Motor Trucks Div of Mack Trucks Inc (USA)
231820-1	Brp Manufacturing Co (USA)
7086572	U S Army Tank Automotive Command Amsta-Im-Mm (USA)
422511	White Motor Corp (USA)
A892 PRIMARY	Eaton Corp Transmission Div (USA)
A892	Corbitt Co Inc (USA)

Related Parts

4730-00-074-1693INTERCHANGEABLE

FITTING,CHAIN LUBE,INSEPARABLE

86213-2

4470-00-464-6084INTERCHANGEABLE

LOGIC CARD

2805-00-678-1369INTERCHANGEABLE

TAPPET,ENGINE POPPET VALVE

8754650

5945-00-680-9979INTERCHANGEABLE

SOLENOID,ELECTRICAL

5950-01-039-3188INTERCHANGEABLE

COIL,RADIO FREQUENCY

42251-1

3040-01-169-3672INTERCHANGEABLE

CYLINDER ASSEMBLY,A

A-892

6685-01-201-7988INTERCHANGEABLE

DAMPENER,FLUID PRESSURE

25900

4140-01-320-6018INTERCHANGEABLE

FAN,VANEAXIAL

42250-1

Frequently Asked Questions

What is NSN 2520-00-708-6572?

NSN 2520-00-708-6572 is a Countershaft, manufactured by Eaton Corp Transmission Div, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-708-6572?

NSN 2520-00-708-6572 has 6 cross-referenced part numbers: 231820-1 (Brockway Motor Trucks Div of Mack Trucks Inc), 231820-1 (Brp Manufacturing Co), 7086572 (U S Army Tank Automotive Command Amsta-Im-Mm), 422511 (White Motor Corp), A892 (Eaton Corp Transmission Div) and 1 more.

What NSN replaces 2520-00-708-6572?

There are 8 known substitutes for 2520-00-708-6572: 4730-00-074-1693, 4470-00-464-6084, 2805-00-678-1369 and 5 more. Verify interchangeability with system specifications before substitution.

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.

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