Model: 121-2M-9

Worm Wheel Gear

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
0.6250 inches
Teeth Quantity
20
Face Type
Concave
Bore Style
Plain both ends
Mounting Hole Thread Series Designator
Unc axially through hub, first end
Mounting Hole Thread Size
0.089 inches axially through hub, first end
Mounting Hole Type And Quantity
1 threaded axially through hub, first end
Outside Diameter
0.720 inches
Tooth Direction
Right
Throat Radius
0.219 inches
Mating Thread Lead Quantity
2
Pressure Angle
20.0000 degrees
Helix Angle
8.1333 degrees
Distance Between Body Face And Protruding Hub End
0.250 inches first end
Face Width
0.219 inches
Bore Diameter
0.188 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
0.500 inches both ends
Material
Bronze
Style Designator
One protruding hub, one flush hub
NSN
3020-01-320-9464
Part Number
121-2M-9
Description
Gear,worm Wheel
CAGE
82005

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 121-2M-9 NSN 3020-01-320-9464

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:
A
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:
121870
UFC:
64910
LTL:
77.5
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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