Model: 577R646H11

Spur Antibacklash Gear
Description:

Mounting hole attachment method, 1.3881 inches pitch diameter, 100 teeth quantity, 2 threaded transversely through hub, first end mounting hole type and quantity.

Special Features:

Mounting holes spaced 90 degrees apart

Properties:

Attachment Method
Mounting hole
Pitch Diameter
Between 1.3881 inches and 1.3888 inches
Teeth Quantity
100
Mounting Hole Type And Quantity
2 threaded transversely through hub, first end
Nominallength
0.385 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.280 inches first end
Face Width
0.101 inches
Bore Diameter
0.090 inches both ends
Hub Diameter
0.310 inches first end
Precision Classification
Quality number 12
Material
Aluminum alloy 2024 teeth
Material
Steel comp 303 hub
Material Specification
Qq-s-764, type 303, cond a federal specification single material response hub
Style Designator
Protruding hubs
NSN
3020-00-001-2062
Part Number
577R646H11
Description
Gear,antibacklash,spur
CAGE
97942

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 577R646H11 NSN 3020-00-001-2062

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

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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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