Model: 7903346-00

Motor-tachometer Generator

Properties:

Overall Height
4.370 inches
Overall Length
5.843 inches
Overall Width
4.370 inches
Shaft Diameter
0.499 inches single end and 0.500 inches single end
Flatted Portion Length
0.5000 inches single end
Current Type
Dc input
Flat Depth
0.0100 inches single end
Inclosure Feature
Totally enclosed
Mounting Method
Face
Mounting Facility Type And Quantity
4 threaded hole
Excitor Type
Separately excited
Calibration Speed In Rpm
1000.0
Cooling Method
Ambient air
Flat Center To Shaft End Distance
0.440 inches single end
Calibration Voltage Output Type In Volts
1.0 dc
Torque Rating And Type
9.2 inch-ounces stalled
Inclosure Specificationification
Commercial
Features Provided
Vertical mounting position and horizontal mounting position
Length Of Shaft From Housing
1.190 inches single end
Tempurature Rating
-55.0 operating degrees celsius and 71.0 operating degrees celsius
Mounting Facility Circle Diameter
3.656 inches
Rotor Speed Rating In Rpm
600.0 single no load
Current Rating In Amps
3.550 single input
Connection Type And Voltage Rating In Volts
36.0 line to neutral single input
Shaft End Characteristic
A6 single style single end
Terminal Type And Quantity
4 wire lead
NSN
6105-00-258-2144
Part Number
7903346-00
Description
Motor-tachometer Generator
CAGE
90536

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 7903346-00 NSN 6105-00-258-2144

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:
4.0000lbs
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:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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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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