G4-120P3

View detailed technical data, stock status, and sourcing information for: G4-120P3
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-070-3073

Item Name Code

05466

Assigment Date

01/09/1979 (47 years ago)

2.542 inches nominal outside diameter, 120 teeth quantity, plain both ends bore style, plain, solid body style, 2.4995 inches minimum and 2.5000 inches maximum pitch diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: plain, solid
Pitch Diameter: 2.4995 inches minimum and 2.5000 inches maximum
Teeth Quantity: 120
Bore Style: plain both ends
Nominal Outside Diameter: 2.542 inches
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Nominal Distance Between Body Face And Protruding Hub End: 0.250 inches first end
Face Nominal Width: 0.125 inches
Bore Nominal Diameter: 0.250 inches both ends
Hub Style Designator: pinned first end
Hub Nominal Diameter: 0.500 inches first end
Precision Classification: quality number 14
Special Features: mtg holes 90 deg apart
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-225/6,t4 fed spec single material response overall
Surface Treatment: anodize body
Surface Treatment: anodize hub
Surface Treatment Document And Classification: mil-a-8625,type 1 mil spec single treatment response hub
Surface Treatment Document And Classification: mil-a-8625,type 1 mil spec single treatment response body
Style Designator: protruding hub
Furnished Items And Quantity: 1 setscrew

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3020-00-781-7343	No Name Available	07/01/1986

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
0651551-0002	Spur Gear
G4-120P3	Spur Gear
G4-120Q14	Spur Gear
GP25-120P3	Spur Gear
H21A120P3	Spur Gear

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3020-01-070-3073?

The FSCG of the NSN 3020-01-070-3073 is 3020

Does the NSN 3020-01-070-3073 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-01-070-3073 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 3020-01-070-3073 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-01-070-3073 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 3020-01-070-3073 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Tue, Jan 9, 1979