Z6L90

View detailed technical data, stock status, and sourcing information for: Z6L90

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Z6L90
Federal Supply Group
Mechanical Power Transmission Equipment
National Stock Number
3020-00-073-9971
Item Name Code
26668
Assigment Date
01/01/1963 (63 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.

standard tooth form, 2.784 inches nominal outside diameter, plain both ends bore style, 90 teeth quantity, 2.8115 inches minimum and 2.8125 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.

Pitch Diameter
2.8115 inches minimum and 2.8125 inches maximum
Teeth Quantity
90
Bore Style
plain both ends
Nominal Outside Diameter
2.784 inches
Tooth Form
standard
Pressure Angle
20.0000 degrees
Nominal Distance Between Body Face And Protruding Hub End
0.402 inches first end
Face Nominal Width
0.188 inches
Bore Nominal Diameter
0.250 inches both ends
Hub Style Designator
pinned first end
Hub Nominal Diameter
0.437 inches first end
Material
steel comp 303 overall
Material Document And Classification
qq-s-763,class303 fed spec single material response overall
Surface Treatment
passivate 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
75-802985-1 Spur Antibacklash Gear
ABP6-90 Spur Antibacklash Gear
Z6L90 Spur Antibacklash Gear

FAQs

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

What is the FSCG of the NSN 3020-00-073-9971?
The FSCG of the NSN 3020-00-073-9971 is 3020
Does the NSN 3020-00-073-9971 have a Schedule B code assigned?
Yes, the Schedule B code is 8483409000
Does NSN 3020-00-073-9971 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 3020-00-073-9971 contain precious materials?
Precious metal content is unknown
Does NSN 3020-00-073-9971 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 3020-00-073-9971 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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