Model: BT704MA4-1

Motor-tachometer Generator
Description:

2.365 inches overall length, 0.750 inches overall width, 13 single end spline quantity, 0.1247 inches single end shaft diameter.

Properties:

Overall Length
2.365 inches
Overall Width
0.750 inches
Spline Quantity
13 single end
Shaft Diameter
0.1247 inches single end
Current Type
Ac input
Maximum Operating Altitude Rating
50000.0 feet
Inclosure Feature
General purpose
Spline Length
0.3150 inches single end
Mounting Method
Clamp ring
Mounting Facility Type And Quantity
1 clamp collar
Excitor Type
Separately excited
Calibration Speed In Rpm
1000.0
Calibration Voltage Output Type In Volts
26.0 dc
Torque Rating And Type
0.3 inch-ounces stalled
Inclosure Specificationification
Commercial
Control Field Voltage Type And Rating In Volts
33.0 ac
Length Of Shaft From Housing
0.365 inches single end
Tempurature Rating
-55.0 operating degrees celsius and 125.0 operating degrees celsius
Rotor Speed Rating In Rpm
5500.0 single no load
Current Rating In Amps
0.165 single input
Connection Type And Voltage Rating In Volts
26.0 line to neutral single input
Shaft End Characteristic
A14 single style single end
Phase
Single input
Frequency In Hertz
400.0 output
Terminal Type And Quantity
9 wire lead
NSN
6105-00-018-4214
Part Number
BT704MA4-1
Description
Motor-tachometer Generator
CAGE
04320

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 BT704MA4-1 NSN 6105-00-018-4214

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
--
WCC:
593
TCC:
Z
SHC:
Z
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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