Model: 666141-172

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
0.8750 inches
Teeth Quantity
56
Bore Style
Plain both ends
Mounting Hole Type And Quantity
1 plain axially through body, first end
Outside Diameter
0.906 inches
Nominallength
0.281 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.156 inches first end
Face Width
0.125 inches
Bore Diameter
0.188 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.563 inches first end
Mounting Hole Diameter
0.550 inches transversely through hub, first end
Material
Copper alloy 260
Material Specification
Qq-b-626, comp 11, 1/2h federal specification single material response
Style Designator
Protruding hub
NSN
3020-00-804-8023
Part Number
666141-172
Description
Gear,spur
CAGE
12436

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part 666141-172 NSN 3020-00-804-8023

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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:
70.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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