Model: 1241658-1

Spur Antibacklash Gear

Properties:

Attachment Method
Clamp
Pitch Diameter
Between 0.5865 inches and 0.5875 inches
Teeth Quantity
47
Bore Style
Plain both ends
Outside Diameter
0.611 inches
Nominallength
0.281 inches
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.197 inches first end
Distance Between Body Face And Protruding Hub End
0.028 inches second end
Face Width
0.056 inches
Bore Diameter
0.107 inches both ends
Hub Style Designator
Plain second end
Hub Style Designator
Split first end
Hub Diameter
0.188 inches both ends
Material
Copper alloy teeth
Material
Steel comp 303 hub
Material Specification
Mil-s-7720, cond b military specification single material response hub
Material Specification
Qq-b-613, comp 11, hard federal specification single material response teeth
Style Designator
Protruding hubs
NSN
3020-00-695-2004
Part Number
1241658-1
Description
Gear,antibacklash,spur
CAGE
55972

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.

Part 1241658-1 NSN 3020-00-695-2004

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

Material Classification

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
121870
UFC:
64910
LTL:
77.5
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

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

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