Model: 3968521

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
186.350 millimeters
Teeth Quantity
72
Bore Style
Plain first end
Hardness Rating
45.0 rockwell c and 52.0 rockwell c
Outside Diameter
191.350 millimeters
Teeth Type
Single helix
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
15.0000 degrees
Distance Between Body Face And Protruding Hub End
10.0 millimeters first end
Body Recess Depth
5.00 millimeters second end
Face Width
18.00 millimeters
Bore Diameter
22.887 millimeters first end
Hub Style Designator
Plain first end
Hub Diameter
66.00 millimeters first end
Material
Steel
Style Designator
Protruding hub, recessed body
NSN
3020-01-389-9651
Part Number
3968521
Description
Gear,helical
CAGE
15434

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 3968521 NSN 3020-01-389-9651

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
3.0000lbs
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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