Model: 21655

Helical Gear

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
6.0000 inches
Teeth Quantity
48
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Features Provided
Casehardened
Outside Diameter
6.222 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
36.5000 degrees
Distance Between Body Face And Protruding Hub End
0.309 inches first end
Distance Between Body Face And Recessed Hub End
0.435 inches second end
Face Width
1.066 inches
Bore Diameter
1.000 inches both ends
Keyway Width
0.188 inches both ends
Distance From Bore Center To Keyway Bottom
0.590 inches both ends
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
1.500 inches second end
End Length
0.255 inches first end
End Diameter
1.865 inches first end
First Step Length
0.054 inches first end
First Step Diameter
4.265 inches first end
Material
Steel
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-495-2594
Part Number
21655
Description
Gear,helical
CAGE
78640

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 21655 NSN 3020-00-495-2594

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
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:
4.0000lbs
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:
197339
UFC:
96710
LTL:
65.0
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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