1237437-2

Spur Antibacklash Gear

NSN 3020-00-341-9845

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
003419845

Product Features

Additional gear is third step of first end pitch diameter 0.4005 inch , 0.4015 inch , 51 teeth, 20 degree pressure angle

Technical Specifications of NSN

Pitch Diameter:
Between 0.6289 inches and 0.6299 inches
Teeth Quantity:
80
Outside Diameter:
0.644 inches
Nominallength:
0.536 inches
Tooth Form:
Standard
Pressure Angle:
20.0000 degrees
Distance Between Body Face And Protruding Hub End:
0.097 inches second end
Hub Style Designator:
3 steps both ends
End Length:
0.051 inches first end
End Length:
0.097 inches second end
Precision Classification:
Quality number 10 or quality number 11
End Diameter:
0.046 inches first end
End Diameter:
0.046 inches second end
First Step Length:
0.046 inches first end
First Step Diameter:
0.095 inches first end
Second Step Length:
0.154 inches first end
Second Step Diameter:
0.416 inches first end
Material:
Steel comp 416
Material Specification:
Qq-s-763, class 6, type c federal specification single material response
Style Designator:
Peripheral face, hubless
NSN:
3020-00-341-9845
Item Name:
Gear,antibacklash,spur
Cage Code:
55972

Other Related Parts

No other part numbers with same form, fit, and function found.

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26668
FIIG:
A27300
Concept No.:
App. Key:
AC
Cond. Code:
1
Status:
A

Part Materials

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Pricing & Availability

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Definition Definition of approved item name (AIN): "Spur Antibacklash Gear"

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.

MOE Major Organizational Entities

Entity
DSOR
User:
AUSTRALIA Australia
DSOR:
Import / Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

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


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