Model: NAFB1722A

Helical Gear

Special Features:

Two puller holes 0.500-13 unc 2b thd on 3.500 in. Diameter bolt circle, 0.250 in. By 45 degrees chamfer on od of 1st end of hub, 0.109 in. Chamfer on both sides of gear face

Properties:

Body Style
Webbed, solid
Pitch Diameter
5.5000 inches
Teeth Quantity
33
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
27.0 rockwell c and 32.0 rockwell c
Outside Diameter
5.7210 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
31.0083 degrees
Distance Between Body Face And Protruding Hub End
0.750 inches first end
Face Width
2.000 inches
Bore Diameter
1.5000 inches both ends
Keyway Width
0.4990 inches both ends
Distance From Bore Center To Keyway Bottom
0.9530 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.5000 inches both ends
Material
Steel comp 4145
Material Specification
66 federal standard single material response
Style Designator
One protruding hub, one flush hub
NSN
3020-00-517-3237
Part Number
NAFB1722A
Description
Gear,helical
CAGE
82796

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 NAFB1722A NSN 3020-00-517-3237

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
8.3000lbs
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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