Worm Wheel Antibacklash Gear

1801276

1801276
(NSN) National Stock Number
3020-00-010-7581
Federal Supply Classification
3020 Gears, Pulleys, Sprockets and Transmission Chain
Item Name Code
26669
Schedule B Code
8483409000
Summary

Clamp attachment method, 0.9360 inches minimum and 0.9370 inches maximum pitch diameter, 60 teeth quantity, concave face type, plain both ends bore style, right tooth direction

DAC HCC DMIL RNCC
6 - - 3
RNVC SADC MSDS RNAAC
2 - - HD
Identification

An item having one fixed gear and one free gear, both having the same complement of worm wheel 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.

INC FIIG Concept Condition
26669 A27300 - 1
Specifications
Attachment Method
clamp
Details The means used to attach the item.
Pitch Diameter
0.9360 inches minimum and 0.9370 inches maximum
Details A measurement indicating the diameter-pitch per specific measurement scale of the item.
Teeth Quantity
60
Details The number of teeth included on the item.
Face Type
concave
Details Indicates the type of face provided.
Bore Style
plain both ends
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the bore.
Tooth Direction
right
Details The direction the teeth curve when viewed from the edge of the item.
Throat Nominal Radius
0.187 inches
Details A nominal measurement of the throat radius across the face of the item.
Mating Thread Lead Quantity
4
Details The number of thread leads on the mating item.
Pressure Angle
14.5000 degrees
Details The measurement of the pressure angle on the item.
Bore Nominal Diameter
0.187 inches both ends
Details The nominal length of a straight line which passes through the center of a bore,and terminates at the circumference.
Material
copper alloy overall
Details The chemical compound or mechanical mixture properties of which the item is fabricated.
Material Document And Classification
mil-b-994 mil spec single material response overall
Details The specification, standard, or manufacturer's reference and the classification designation, such as class, condition, temper, and the like, that identifies the material.
Style Designator
protruding hub
Details The style designation indicating the configuration that most nearly corresponds to the appearance of the item.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
1801276 00141 6 - 5 9 - HD
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A - -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
64910 - P -
RVC WCC TCC SHC
- 593 Z 9

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Manufacturer
NORTHROP GRUMMAN SYSTEMS CORPORATION DIV NAVIGATION AND MARITIME SYSTEMS
CAGE: 03956
CHARLOTTESVILLE , VA , 22901-2827
UNITED STATES
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FAQs
Frequently asked questions for NSN 3020-00-010-7581
What is the NIIN of the NSN 3020-00-010-7581?
The National Item Identification Number (NIIN) of the NSN 3020-00-010-7581 is 00-010-7581
When the NSN 3020-00-010-7581 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Sat, Apr 15, 1967
Does the NSN 3020-00-010-7581 contain any precious metals?
Does not contain precious metal
Does the NSN 3020-00-010-7581 contain any hazardous material?
No data in HMIRS

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