Model: 1908903-2

Motor-tachometer Generator

Special Features:

29 rpm no load speed gear head output; additional flat at 90 degrees on output shaft

Properties:

Overall Length
2.058 inches
Overall Width
0.753 inches
Shaft Diameter
0.1248 inches single end
Current Type
Ac input
Maximum Operating Altitude Rating
50000.0 feet
Inclosure Feature
Totally enclosed
Mounting Method
Clamp ring
Mounting Facility Type And Quantity
1 clamp collar
Excitor Type
Separately excited
Calibration Speed In Rpm
1000.0
Cooling Method
Ambient air
Calibration Voltage Output Type In Volts
0.1 ac
Torque Rating And Type
0.14 inch-ounces stalled
Inclosure Specificationification
Commercial
Control Field Voltage Type And Rating In Volts
26.0 ac
Length Of Shaft From Housing
0.335 inches single end
Tempurature Rating
-54.0 operating degrees celsius and 125.0 operating degrees celsius
Rotor Speed Rating In Rpm
6300.0 single full load
Current Rating In Amps
0.034 single input
Connection Type And Voltage Rating In Volts
115.0 line to neutral single input
Shaft End Characteristic
A5 single style single end
Frequency In Hertz
400.0 output
Terminal Type And Quantity
8 wire lead
NSN
6105-00-220-2739
Part Number
1908903-2
Description
Motor-tachometer Generator
CAGE
55972

An item which is an electrical rotating machine combining both control motor and tachometer generator action. The control motor and tachometer generator may be contained in the same or separate housings. It is designed for servo application where instant response to input signal is essential. It is generally used in circuits where the output potential from the tachometer generator is fed back to prevent excessive oscillation and for assuring high stability in a servo loop. Excludes dynamotor; and motor-generator.

Part 1908903-2 NSN 6105-00-220-2739

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
28454
FIIG:
A271A0
Concept No.:
App. Key:
P
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
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:
062120
UFC:
34760
LTL:
77.5
LCL:
--
WCC:
593
TCC:
Z
SHC:
Z
ACC:
Instruments/Radio

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Phone: +1 470-231-0824
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Schedule B and Export
  • Schedule B: 8412809000
  • SITC: 71893
  • End Use: Industrial engines
  • NAICS: 333618
  • USDA: 1

Freight Class: Engines and motors, nesoi

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