Model: 21135TYPEA1

Tachometer Generator

Special Features:

2 rotor poles

Properties:

Overall Height
3.172 inches
Overall Length
5.594 inches
Overall Width
2.813 inches
Electrical Resistance
39.0 ohms and 49.0 ohms
Width Across Flats
0.2450 inches single end
Mounting Method
Pad
Mounting Facility Type And Quantity
4 unthreaded hole
Accuracy Range In Percent
-0.5/+0.5
Calibration Speed In Rpm
3600.0
Calibration Voltage Output Type In Volts
23.0 ac
Length Of Shaft From Housing
0.469 inches single end
Center To Center Distance Between Mounting Facilities Parallel To Length
1.875 inches
Rotor Speed Rating In Rpm
200.0 low full load and 4400.0 high full load
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
6680-00-526-8140
Part Number
21135TYPEA1
Description
Generator,tachometer
CAGE
80049

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 21135TYPEA1 NSN 6680-00-526-8140

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
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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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