Model: 21C1577-46

Tachometer Generator

Special Features:

2 rotor poles

Properties:

Overall Height
3.188 inches
Overall Length
4.563 inches
Overall Width
3.000 inches
Electrical Resistance
40.0 ohms
Width Across Flats
0.2440 inches single end
Mounting Method
Fixed base and face
Mounting Facility Type And Quantity
4 unthreaded hole
Calibration Speed In Rpm
2400.0
Calibration Voltage Output Type In Volts
21.0 ac
Length Of Shaft From Housing
0.563 inches single end
Center To Center Distance Between Mounting Facilities Parallel To Length
1.875 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
1.875 inches
Shaft End Characteristic
A15 single style single end
Terminal Type And Quantity
1 receptacle
NSN
6680-00-959-7632
Part Number
21C1577-46
Description
Generator,tachometer
CAGE
07482

A generator consisting of a series of mounted coils surrounding a rotating permanent magnet or a permanent magnet and a rotating armature. The voltage output is directly proportional to the speed of rotation of the shaft. When used with an associated indicator, transmits such data as revolutions per minute, speed of travel, and the like. May also be used in servomechanism loops as a system stabilizer. Excludes rotary inverters, rotary converters, motor generators, dynamotors, generator sets, synchros, frequency or phase changers, and engine accessory generators.

Part 21C1577-46 NSN 6680-00-959-7632

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20241
FIIG:
A271A0
Concept No.:
1
App. Key:
F
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062120
UFC:
34760
LTL:
RATING VARIABLE
LCL:
70.0
WCC:
590
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Phone: +1 470-231-0824
Email: Contact Form »
Schedule B and Export
  • Schedule B: 9029205000
  • SITC: 87325
  • End Use: Other parts and accessories of vehicles
  • NAICS: 334514
  • USDA: 1

Freight Class: Speedometers and tachometers, not for use in civil aircraft

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