Model: R1056-56

Spur Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
1.5000 inches
Teeth Quantity
72
Bore Style
W/counterbore counter bore, second end
Mounting Hole Thread Series Designator
Unc transversely through hub, first end
Mounting Hole Thread Size
0.164 inches transversely through hub, first end
Mounting Hole Type And Quantity
1 threaded transversely through hub, first end
Outside Diameter
1.542 inches
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.412 inches first end
Face Width
0.141 inches
Bore Diameter
0.250 inches counter bore, second end
Counterbore Depth
0.234 inches counter bore, second end
Counterbore Diameter
0.875 inches counter bore, second end
Hub Style Designator
1 step first end
End Length
0.234 inches first end
End Diameter
0.500 inches first end
First Step Length
0.188 inches first end
First Step Diameter
1.125 inches first end
Material
Copper alloy 230
Material Specification
Qq-b-626, 1/2h federal specification single material response
Style Designator
Protruding hub
NSN
3020-00-474-4025
Part Number
R1056-56
Description
Gear,spur
CAGE
32657

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 R1056-56 NSN 3020-00-474-4025

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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