Model: 108921

Spur Gear

Special Features:

Mounting holes located 90 degrees apart

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
0.6562 inches
Teeth Quantity
42
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
40 transversely through hub, first end
Hardness Rating
248.0 brinell standard and 293.0 brinell standard
Hardness Rating
248.0 brinell standard and 293.0 brinell standard
Mounting Hole Thread Size
0.112 inches transversely through hub, first end
Mounting Hole Type And Quantity
2 threaded transversely through hub, first end
Outside Diameter
0.687 inches
Nominallength
0.250 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.160 inches first end
Face Width
0.090 inches
Bore Diameter
0.126 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.375 inches first end
Precision Classification
Quality number 10 or quality number 11
Material
Steel comp 416
Material Specification
Qq-s-763, class416 federal specification single material response
Style Designator
Protruding hub
NSN
3020-00-085-1071
Part Number
108921
Description
Gear,spur
CAGE
05257

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 108921 NSN 3020-00-085-1071

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:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
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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