Model: 7904507-003

Motor-tachometer Generator

Properties:

Overall Height
5.000 inches
Overall Length
8.510 inches
Overall Width
5.000 inches
Thread Length
0.400 inches single end
Shaft Diameter
0.374 inches single end and 0.375 inches single end
Current Type
Dc input
Maximum Operating Altitude Rating
20000.0 feet
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
Nonventilated
Calibration Voltage Output Type In Volts
3.0 dc
Torque Rating And Type
100.0 inch-ounces running
Inclosure Specificationification
Commercial
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
1.075 inches single end
Tempurature Rating
-54.0 operating degrees celsius and 71.0 operating degrees celsius
Mounting Facility Circle Diameter
3.340 inches
Rotor Speed Rating In Rpm
1.0 low no load and 6.0 high no load
Connection Type And Voltage Rating In Volts
24.0 line to neutral single input
Shaft End Characteristic
A2 single style single end
Thread Series Designator
Unf single end
Terminal Type And Quantity
2 wire lead
NSN
6105-01-043-6180
Part Number
7904507-003
Description
Motor-tachometer Generator
CAGE
06401

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 7904507-003 NSN 6105-01-043-6180

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
13.0000lbs
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:
65.0
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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