119878

View detailed technical data, stock status, and sourcing information for: 119878
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-012-3471

Item Name Code

26668

Assigment Date

11/09/1975 (50 years ago)

0.4375 inches nominal outside diameter, 40 teeth quantity, plain both ends bore style, 0.4166 inches nominal pitch diameter, standard tooth form

Product Characteristics

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

Pitch Diameter: 0.4166 inches nominal
Teeth Quantity: 40
Bore Style: plain both ends
Nominal Outside Diameter: 0.4375 inches
Tooth Form: standard
Pressure Angle: 20.0000 degrees
Nominal Distance Between Body Face And Protruding Hub End: 0.184 inches first end
Face Nominal Width: 0.096 inches
Bore Nominal Diameter: 0.090 inches both ends
Hub Style Designator: plain first end
Hub Nominal Diameter: 0.250 inches first end
Material: steel comp 303 overall
Material Document And Classification: qq-s-764,type 303,cond a fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-std-171,finish no. 5.4.1 mil spec single treatment response overall
Style Designator: protruding hub

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
119878	Spur Antibacklash Gear

FAQs

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

What is the FSCG of the NSN 3020-01-012-3471?

The FSCG of the NSN 3020-01-012-3471 is 3020

Does the NSN 3020-01-012-3471 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-01-012-3471 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 3020-01-012-3471 contain precious materials?

Precious metal content is unknown

Does NSN 3020-01-012-3471 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 3020-01-012-3471 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sun, Nov 9, 1975