479195

View detailed technical data, stock status, and sourcing information for: 479195
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-00-018-8418

Item Name Code

26668

Assigment Date

04/22/1967 (59 years ago)

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

plain both ends bore style, standard tooth form, 3.0000 inches nominal pitch diameter, 216 teeth quantity, 3.0278 inches nominal outside diameter

Product Characteristics

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

Pitch Diameter: 3.0000 inches nominal
Teeth Quantity: 216
Bore Style: plain both ends
Nominal Outside Diameter: 3.0278 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: 0.187 inches both ends
Hub Style Designator: pinned first end
Hub Nominal Diameter: 0.563 inches first end
Precision Classification: quality number 12
Material: aluminum alloy 2024 body
Material: steel corrosion resisting hub
Material Document And Classification: qq-a-200/3,t4 fed spec single material response body
Surface Treatment: anodize body
Surface Treatment: passivate hub
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
479195	Spur Antibacklash Gear
AB350-216-1875P2	Spur Antibacklash Gear
ACE6-216P2	Spur Antibacklash Gear

FAQs

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

What is the FSCG of the NSN 3020-00-018-8418?

The FSCG of the NSN 3020-00-018-8418 is 3020

Does the NSN 3020-00-018-8418 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-00-018-8418 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 3020-00-018-8418 contain precious materials?

Precious metal content is unknown

Does NSN 3020-00-018-8418 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 3020-00-018-8418 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Sat, Apr 22, 1967