277762

View detailed technical data, stock status, and sourcing information for: 277762
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-343-0904

Item Name Code

26668

Assigment Date

08/04/1991 (35 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.

mounting hole attachment method, 80 teeth quantity, 2 threaded transversely through hub, first end mounting hole type and quantity, plain both ends bore style, plain first end hub style designator

Product Characteristics

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

Attachment Method: mounting hole
Teeth Quantity: 80
Bore Style: plain both ends
Mounting Hole Type And Quantity: 2 threaded transversely through hub, first end
Hub Style Designator: plain first end
Style Designator: protruding hub
Furnished Items And Quantity: 1 retaining ring and 1 spring pin

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
277762	Spur Antibacklash Gear

FAQs

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

What is the FSCG of the NSN 3020-01-343-0904?

The FSCG of the NSN 3020-01-343-0904 is 3020

Does the NSN 3020-01-343-0904 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-01-343-0904 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 3020-01-343-0904 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-01-343-0904 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 3020-01-343-0904 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Aug 4, 1991