Model: 185740B53

Helical Gear

Properties:

Pitch Diameter
18.1090 inches
Teeth Quantity
119
Bore Style
Tapered w/keyway second end
Outside Diameter
18.3950 inches
Nominallength
3.500 inches
Teeth Type
Single helix
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Distance Between Body Face And Protruding Hub End
0.500 inches first end
Distance Between Body Face And Recessed Hub End
0.500 inches second end
Hub Style Designator
Plain both ends
Hub Diameter
4.500 inches first end
Hub Diameter
5.000 inches second end
Material
Steel
Material Specification
Mil-s-890, alloy no. 1 military specification single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-420-3440
Part Number
185740B53
Description
Gear,helical
CAGE
88032

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 185740B53 NSN 3020-00-420-3440

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:
--
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:
F
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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