Model: 1755640

Spur Antibacklash Gear

Properties:

Attachment Method
Clamp
Pitch Diameter
0.6250 inches
Teeth Quantity
40
Bore Style
Plain both ends
Outside Diameter
0.656 inches
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.196 inches first end
Distance Between Body Face And Protruding Hub End
0.008 inches second end
Face Width
0.126 inches
Bore Diameter
0.091 inches both ends
Hub Style Designator
Plain second end
Hub Style Designator
Split first end
Hub Diameter
0.187 inches first end
Hub Diameter
0.220 inches second end
Material
Aluminum alloy 2024 teeth
Material
Steel comp 303 hub
Material Specification
Qq-a-250/4, t4 federal specification single material response teeth
Material Specification
Qq-s-763, cond a federal specification single material response hub
Surface Treatment
Anodize teeth
Surface Treatment
Passivate hub
Style Designator
Protruding hubs
NSN
3020-00-862-1572
Part Number
1755640
Description
Gear,antibacklash,spur
CAGE
56232

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 1755640 NSN 3020-00-862-1572

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
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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