Model: R1056-70PC21

Spur Gear

Special Features:

Hub diameter 0.344 in. Min and 0.359 in. Max.

Properties:

Attachment Method
Mounting hole
Pitch Diameter
0.4167 inches
Teeth Quantity
20
Bore Style
Plain both ends
Backlash Designation
Grade b
Mounting Hole Type And Quantity
2 plain axially through hub, first end
Outside Diameter
0.458 inches
Tooth Form
Standard
Flange Diameter
0.688 inches
Pressure Angle
20.0000 degrees
Flange Thickness
0.094 inches
Face Width
0.125 inches
Bore Diameter
0.241 inches both ends
Distance Between Outer Body Face And Inner Flange Face
0.250 inches
Precision Classification
Quality number 8
Mounting Hole Diameter
0.125 inches axially through hub, first end
Material
Steel comp 303
Material Specification
Qq-s-763, class303 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
NSN
3020-00-476-3064
Part Number
R1056-70PC21
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 R1056-70PC21 NSN 3020-00-476-3064

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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