Model: A2520REV1PT2

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
3.5040 inches
Teeth Quantity
19
Bore Style
10b w/ 2 keyways both ends
Bore Style
W/ 2 keyways both ends
Hardness Rating
28.0 rockwell c and 32.0 rockwell c
Outside Diameter
3.8400 inches
Nominallength
1.813 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
25.3500 degrees
Distance Between Body Face And Protruding Hub End
0.688 inches first end
Body Recess Depth
0.313 inches second end
Face Width
1.125 inches
Bore Diameter
1.753 inches both ends
Keyway Width
0.376 inches both ends
Distance From Bore Center To Keyway Bottom
1.062 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
2.625 inches first end
Material
Steel comp 4140
Material Specification
Fed standard 66 federal standard single material response
Style Designator
Protruding hub, recessed body
NSN
3020-00-293-3260
Part Number
A2520REV1PT2
Description
Gear,helical
CAGE
80475

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 A2520REV1PT2 NSN 3020-00-293-3260

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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