Model: 321915

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
1.2500 inches
Teeth Quantity
55
Bore Style
Plain both ends
Outside Diameter
1.294 inches
Nominallength
0.375 inches
Teeth Type
Single helix
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Helix Angle
12.0000 degrees
Face Width
0.218 inches
Bore Diameter
0.250 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.500 inches first end
Hub Diameter
0.500 inches second end
Material
Aluminum alloy
Material Specification
Qq-a-630 federal specification single material response
Style Designator
Protruding hubs
NSN
3020-00-486-5650
Part Number
321915
Description
Gear,helical
CAGE
81982

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 321915 NSN 3020-00-486-5650

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:
LA
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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