PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

A4-3897Y857Gear Cluster

Name: A4-3897Y857
SKU: 3020-00-734-6755

Meritor Industrial Products, Llc · NSN 3020-00-734-6755 · FSC 3020 · No Item Name Available

Verified by PartsTable

NSN 3020-00-734-6755 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-734-6755. Primary manufacturer part number: A4-3897Y857.

3020-00-734-6755 — No Item Name Available illustration

Features

Gear Cluster — FSC 3020
9 verified cross-references
Primary manufacturer: Meritor Industrial Products, Llc

Applications

Power transmission and speed reduction
Rotary motion transfer
Torque multiplication

General Description

The Gear Cluster, cataloged under National Stock Number 3020-00-734-6755, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Meritor Industrial Products, Llc. This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3020-00-734-6755
Primary Part Number	A4-3897Y857
Item Name	Gear Cluster
FSC / FSG	3020 / 30 — No Item Name Available
Manufacturer	Meritor Industrial Products, Llc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 12

3110-00-156-4706 INTERCHANGEABLE

Bearing,ball,annular

3110-00-156-4854273829-101 INTERCHANGEABLE

Bearing,ball,annular

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

3110-00-156-5456280026-63 INTERCHANGEABLE

Bearing,ball,annular

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier

3110-00-554-39323307E INTERCHANGEABLE

Bearing,ball,annular

Skf Usa Inc.

5915-00-840-06015307 INTERCHANGEABLE

Filter,high Pass

Bird Electronic Corporation Div Bird Electronic Corp

6645-01-036-5025 INTERCHANGEABLE

Timer,interval

6145-01-071-34785307C INTERCHANGEABLE

Cable,special Purpose,electrical

Belden, Inc.

2530-01-130-5537BD60418 INTERCHANGEABLE

Rotor Assembly,disc Brake

Federal Mogul Corp Sub Wagner Brake Moog Automotive Div

5330-01-352-19885307 INTERCHANGEABLE

Gasket

Oberdorfer Foundries Inc

5935-01-381-57095307 INTERCHANGEABLE

Connector,plug,electrical

Fluke Electronics Corp

Cross-Reference Index

Part Number	Manufacturer
A4-3897Y857	Meritor Heavy Vehicle Systems, Llc (USA)
98995R11	Navistar International Corporation Dba Navistar (USA)
A4-39876857	Meritor Heavy Vehicle Systems, Llc (USA)
98995R11	Navistar Intl Corp Truck Br Ohio Plant (USA)
A1-3897Y857	Meritor Heavy Vehicle Systems, Llc (USA)
7346755	U S Army Tank Automotive Command Amsta-Im-Mm (USA)
A4-3897Y857 PRIMARY	Meritor Industrial Products, Llc (USA)
5307	Diamond Reo Truck Co (USA)
2520007346755	E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales

Related Parts

3110-00-156-4706INTERCHANGEABLE

BEARING,BALL,ANNULAR

3110-00-156-4854INTERCHANGEABLE

BEARING,BALL,ANNULAR

273829-101

3110-00-156-5456INTERCHANGEABLE

BEARING,BALL,ANNULAR

280026-63

3110-00-554-3932INTERCHANGEABLE

BEARING,BALL,ANNULAR

3307E

5915-00-840-0601INTERCHANGEABLE

FILTER,HIGH PASS

5307

6645-01-036-5025INTERCHANGEABLE

TIMER,INTERVAL

6145-01-071-3478INTERCHANGEABLE

CABLE,SPECIAL PURPOSE,ELECTRICAL

5307C

2530-01-130-5537INTERCHANGEABLE

ROTOR ASSEMBLY,DISC BRAKE

BD60418

5330-01-352-1988INTERCHANGEABLE

GASKET

5307

5935-01-381-5709INTERCHANGEABLE

CONNECTOR,PLUG,ELECTRICAL

5307

5963-01-461-0268INTERCHANGEABLE

ACCELEROMETER,HIGH TEMPERATURE

5307

4730-01-559-2169INTERCHANGEABLE

ADAPTER BUSHING

5307

Frequently Asked Questions

What is NSN 3020-00-734-6755?

NSN 3020-00-734-6755 is a Gear Cluster, manufactured by Meritor Industrial Products, Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-734-6755?

NSN 3020-00-734-6755 has 9 cross-referenced part numbers: A4-3897Y857 (Meritor Heavy Vehicle Systems, Llc), 98995R11 (Navistar International Corporation Dba Navistar), A4-39876857 (Meritor Heavy Vehicle Systems, Llc), 98995R11 (Navistar Intl Corp Truck Br Ohio Plant), A1-3897Y857 (Meritor Heavy Vehicle Systems, Llc) and 4 more.

What NSN replaces 3020-00-734-6755?

There are 12 known substitutes for 3020-00-734-6755: 3110-00-156-4706, 3110-00-156-4854, 3110-00-156-5456 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A4-3897Y857?

Key specifications for A4-3897Y857: End Item Identification: TRUCK,5TON,MDL908,744. 1 total characteristics are documented in the Federal Logistics Information System.

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

PartsTable Design LLC · partstable.com