Gear, Spur3020-00-640-4903

NSN 3020-00-640-4903 · NIIN 006404903 · Part number G112

Altra Industrial Motion Corp. · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 71041

Government record, cited

NSN 3020-00-640-4903 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-640-4903. Manufacturer of record part number: G112.

Also searched as 3020-00-640-4903 · 3020006404903 · NIIN 006404903 · 00-640-4903 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 71041 · G112

Nearby stock numbers ← 3020-00-640-4902 · 3020-00-640-4904 →

Features

Gear,spur — FSC 3020
1 manufacturer part number on file
Manufacturer of record: Altra Industrial Motion Corp.

Identification

NSN: 3020-00-640-4903
NIIN: 006404903
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: G112
Manufacturer: Altra Industrial Motion Corp.

General Description

The Gear,spur, cataloged under National Stock Number 3020-00-640-4903, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Altra Industrial Motion Corp.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Gear,spur
FSC / FSG	3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Manufacturers	Altra Industrial Motion Corp. (CAGE 71041)

Technical Specifications

Parameter	Value
NSN	3020-00-640-4903
Primary Part Number	G112
Item Name	Gear,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Altra Industrial Motion Corp.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4730-01-495-213304.4223.0002 POSSIBLE MATCH

FITTING

Possible match (shared part number)Terex American Crane Corp

Cross-Reference Index

Part Number	Manufacturer
G112 PRIMARY	Altra Industrial Motion Corp. (USA)

Related Parts

4730-01-495-2133POSSIBLE MATCH

FITTING

04.4223.0002

Frequently Asked Questions

What is NSN 3020-00-640-4903?

NSN 3020-00-640-4903 is a Gear,spur, manufactured by Altra Industrial Motion Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-00-640-4903?

NSN 3020-00-640-4903 has 1 manufacturer part number on file: G112 (Altra Industrial Motion Corp.).

What NSN replaces 3020-00-640-4903?

1 possible match (shared part number, not a government interchangeability claim): 4730-01-495-2133. Verify interchangeability with system specifications before substitution.

Is NSN 3020-00-640-4903 hazardous material?

No hazard code in the DLA record (HMIC N). 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.

PartsTable Design LLC · partstable.com