Model: 88777B

Helical Gear

Special Features:

2 holes 0.5312 in. Dia, spaced 180 degrees apart on 2.750 in. Diameter bolt circle, drilled through webbing 90 degrees from centerline of keyway

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
4.6660 inches
Teeth Quantity
36
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
14.0 rockwell c hub and 22.0 rockwell c hub
Hardness Rating
14.0 rockwell c teeth and 22.0 rockwell c teeth
Outside Diameter
4.8640 inches
Nominallength
1.062 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
39.5167 degrees
Distance Between Body Face And Protruding Hub End
0.438 inches first end
Distance Between Body Face And Recessed Hub End
0.063 inches second end
Face Width
0.625 inches
Bore Diameter
0.8125 inches both ends
Keyway Width
0.158 inches both ends
Distance From Bore Center To Keyway Bottom
0.4840 inches both ends and 0.4885 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
1.625 inches first end
Hub Diameter
1.750 inches second end
Material
Steel comp 1035
Material Specification
66 federal standard single material response and aisi/sae 1035 assn standard single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-275-1017
Part Number
88777B
Description
Gear,helical
CAGE
1ML14

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 88777B NSN 3020-00-275-1017

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:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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