Model: 51773DA

Helical Gear

Special Features:

Timing mark on face of gear 40 degrees 40 min from keyway, 0.062 in. By 45 degrees chamfer on two teeth on side opposite timing mark

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
3.5117 inches
Teeth Quantity
27
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Outside Diameter
3.710 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
39.4500 degrees
Face Width
0.750 inches
Bore Diameter
0.751 inches both ends
Keyway Width
0.127 inches both ends
Distance From Bore Center To Keyway Bottom
0.440 inches both ends
Hub Style Designator
Plain first end
Hub Diameter
1.250 inches first end
Material
Steel comp 1020 or steel comp 1021 or steel comp 1022
Material
Steel comp 1020 or steel comp 1021 or steel comp 1022
Material Specification
66 federal standard all material responses
Style Designator
Flush hub
NSN
3020-00-424-7910
Part Number
51773DA
Description
Gear,helical
CAGE
92679

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 51773DA NSN 3020-00-424-7910

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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