Model: 40253-202-21

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
1.2000 inches
Teeth Quantity
144
Bore Style
Plain both ends
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Mounting Hole Type And Quantity
2 plain transversely through hub, first end
Outside Diameter
1.216 inches
Nominallength
0.344 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.111 inches second end
Face Width
0.062 inches
Bore Diameter
0.125 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.188 inches first end
Hub Diameter
0.500 inches second end
Precision Classification
Quality number 12
Mounting Hole Diameter
0.086 inches axially through body, first end
Bolt Hole Circle Diameter
0.312 inches axially through body, first end
Material
Steel comp 416
Material Specification
Qq-s-764, type 416 cond a federal specification single material response
Surface Treatment
Passivate
Style Designator
Protruding hubs
NSN
3020-00-854-0481
Part Number
40253-202-21
Description
Gear,spur
CAGE
94756

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 40253-202-21 NSN 3020-00-854-0481

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:
A
ESD:
ESD:
MMAC:
AY
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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