Model: 221NM

Gear Train

Properties:

General Description
Dim., 1.862 in. O/a dia, 0.433 in. Thk excl dial shafts, main dial shaft protrudes 0.958 in. Nom, sub @dial shaft protrudes @0.904 in. Nom, both shafts 0.0733 in. Diameter w/two slits 90 degrees apart on protruding end, slits 0.010 @in. W, 0.187 in. Dp, top and bottom have two 0.200 in. Unthd mtg holes and three holes tapped no. 1-72 unf-2b, bottom has 0.500 in. Diameter hole for mtg motor, top has two 0.073 in. Diameter holes for dial shafts, gear ratio-motor to main dial shaft-464.46 to 1, ratio-sub dial shaft to 270 degrees rotation of main dial shaft-12 to 1, backlash at center shaft w/motor locked-1 degrees max, total travel of main dial shaft-280 deg, gear train starts operating through entire range w/1.8 volts max applied to motor, counter clockwise rotation of motor produces clockwise rotation of both shafts
NSN
6685-00-066-1812
Part Number
221NM
Description
Gear Train
CAGE

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
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:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
177200
UFC:
87140
LTL:
85.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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