Model: 20D501-4

Motor-tachometer Generator

Properties:

Overall Height
0.970 inches
Overall Length
2.470 inches
Overall Width
0.970 inches
Spline Minor Diameter
0.0830 inches single end
Spline Quantity
13 single end
Shaft Diameter
0.1250 inches single end
Current Type
Ac input
Maximum Operating Altitude Rating
60000.0 feet
Inclosure Feature
Totally enclosed
Spline Length
0.2180 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
Cooling Method
Self-ventilated
Calibration Voltage Output Type In Volts
6.0 ac
Torque Rating And Type
0.3 inch-ounces stalled
Inclosure Specificationification
Commercial
Control Field Voltage Type And Rating In Volts
26.0 ac
Features Provided
Vertical mounting position and horizontal mounting position
Power Rating
1.700 watts output
Length Of Shaft From Housing
0.218 inches single end
Tempurature Rating
-55.0 operating degrees celsius and 85.0 operating degrees celsius
Rotor Speed Rating In Rpm
9500.0 single no load
Connection Type And Voltage Rating In Volts
6.0 line to neutral single input
Shaft End Characteristic
A14 single style single end
Phase
Single input
Frequency In Hertz
400.0 input
Terminal Type And Quantity
9 wire lead
NSN
6105-00-329-4012
Part Number
20D501-4
Description
Motor-tachometer Generator
CAGE
3BMV1

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 20D501-4 NSN 6105-00-329-4012

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:
0.3000lbs
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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