Model: 757-2-2227

Helical Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 0.2484 inches and 0.2494 inches
Teeth Quantity
17
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc transversely through face
Mounting Hole Thready Qty Per Inch (tpi)
56 transversely through face
Mounting Hole Thread Size
0.086 inches transversely through face
Mounting Hole Type And Quantity
1 plain transversely through face and 1 threaded transversely through face
Outside Diameter
0.270 inches
Teeth Type
Single helix
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
45.0000 degrees
Face Width
0.438 inches
Bore Diameter
0.1868 inches both ends
Mounting Hole Diameter
0.062 inches transversely through face
Material
Copper alloy 510 or copper alloy 524
Material
Copper alloy 510 or copper alloy 524
Material Specification
Qq-p-330 federal specification single material response
Style Designator
Hubless
NSN
3020-00-684-5770
Part Number
757-2-2227
Description
Gear,helical
CAGE
81413

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 757-2-2227 NSN 3020-00-684-5770

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

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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