Spur Antibacklash Gear

NSN: 3020-00-050-0843 | Model: 181-910

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.

NSN Properties and Flags

NATO Stock Number

3020-00-050-0843

DEMIL

Attachment Method

Setscrews

Hub Style Designator

Plain first end

Furnished Items And Quantity

1 setscrew and 1 spring

Pricing and Availability

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NSN 3020-00-050-0843 Datasheet

Supply Class (FSC):

Transmission Chain Sprockets Pulleys Gears

Cross Reference:

181-910

Cage Codes:

Cmc Electronics Inc (CAGE 90073)

Schedule B & Trade:

Schedule B: 8483409000 (NAICS 333612)

Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately
SITC: 74840

Gears and gearing; ball screws; gear boxes and other speed changers (including torque converters)
End Use: 21180

Industrial machines, other

Identification:

HMIC

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

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 3020-00-050-0843 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Canada
What is the NIIN of NSN 3020-00-050-0843?
000500843 or 00-050-0843
Does NSN 3020-00-050-0843 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3020-00-050-0843?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
May 09, 1967