Model: A3428

Helical Gear
Description:

Webbed, offset, solid body style, 1.2364 inches pitch diameter, 23 teeth quantity, 32.0 rockwell c hardness rating, 1.298 inches nominal outside diameter.

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
Between 1.2364 inches and 1.2374 inches
Teeth Quantity
23
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Outside Diameter
1.298 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
45.0000 degrees
Face Width
0.410 inches
Bore Diameter
0.375 inches first end
Keyway Width
0.064 inches first end
Distance From Bore Center To Keyway Bottom
0.225 inches both ends
Hub Style Designator
Pinned first end
Hub Diameter
0.590 inches first end
Material
Steel comp 416
Material Specification
Qq-s-764 federal specification single material response
Surface Treatment
Passivate
Style Designator
Flush hub
NSN
3020-00-009-4040
Part Number
A3428
Description
Gear,helical
CAGE
12511

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 A3428 NSN 3020-00-009-4040

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:
JY
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
2.0 X 3.0 X 3.0
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:
E
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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