Model: 972-98ALT2

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 1.3110 inches and 1.3120 inches
Teeth Quantity
53
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thready Qty Per Inch (tpi)
32 transversely through hub, first end
Hardness Rating
60.0 rockwell b and 90.0 rockwell b
Hardness Rating
60.0 rockwell b and 90.0 rockwell b
Mounting Hole Thread Size
0.138 inches transversely through hub, first end
Mounting Hole Type And Quantity
2 threaded transversely through hub, first end
Outside Diameter
1.353 inches
Nominallength
0.500 inches
Tooth Form
Standard
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.313 inches first end
Face Width
0.188 inches
Bore Diameter
0.188 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
0.563 inches first end
Material
Copper alloy
Material Specification
Mil-b-895, 1/2 hard military specification single material response
Surface Treatment
Tin
Style Designator
Protruding hub
NSN
3020-00-294-4642
Part Number
972-98ALT2
Description
Gear,spur
CAGE
94404

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 972-98ALT2 NSN 3020-00-294-4642

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:
197337
UFC:
96690
LTL:
RATING VARIABLE
LCL:
92.5
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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