Model: 1539571

Helical Gear
Description:

Webbed, solid body style, 23 both ends spline quantity, mounting hole attachment method, 4.9883 inches pitch diameter, 75 teeth quantity.

Properties:

Body Style
Webbed, solid
Spline Quantity
23 both ends
Attachment Method
Mounting hole
Pitch Diameter
4.9883 inches
Teeth Quantity
75
Bore Style
Involute spline both ends
Spline Pitch Diameter
1.4375 inches both ends
Hardness Rating
42.0 rockwell c hub
Hardness Rating
58.0 rockwell c teeth
Mounting Hole Type And Quantity
3 plain axially through body, first end
Outside Diameter
5.112 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
20.0000 degrees
Face Width
0.700 inches
Bore Diameter
1.501 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.125 inches both ends
Precision Classification
Quality number 12
Mounting Hole Diameter
0.625 inches axially through body, first end
Bolt Hole Circle Diameter
3.220 inches axially through body, first end
Material
Steel comp 4620
Material Specification
Mil-s-7493, comp 4620 military specification single material response
Style Designator
Flush hub
NSN
3020-00-003-1354
Part Number
1539571
Description
Gear,helical
CAGE
05869

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 1539571 NSN 3020-00-003-1354

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:
--
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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