Model: 743C268-1

Worm Wheel Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
20.6900 inches
Teeth Quantity
50
Face Type
Concave
Bore Style
W/counterbore both ends
Mounting Hole Type And Quantity
8 counterbored axially through body, first end
Outside Diameter
21.745 inches
Tooth Direction
Right
Throat Radius
1.980 inches
Mating Thread Lead Quantity
3
Pressure Angle
25.0000 degrees
Helix Angle
15.1027 degrees
Face Width
3.125 inches
Bore Diameter
12.500 inches both ends
Counterbore Depth
0.844 inches both ends
Counterbore Diameter
17.501 inches both ends
Mounting Hole Diameter
1.094 inches axially through body, first end
Bolt Hole Circle Diameter
15.000 inches axially through body, first end
Material
Copper alloy
Material Specification
General electric co, spec b11g22a mfr ref single material response
Style Designator
Hubless
NSN
3020-00-818-4964
Part Number
743C268-1
Description
Gear,worm Wheel
CAGE
81893

A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a gear (1), worm. See also gear, antibacklash, worm wheel.

Part 743C268-1 NSN 3020-00-818-4964

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05468
FIIG:
A27300
Concept No.:
1
App. Key:
AK
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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