Model: 22A658

Tachometer Generator

Properties:

Overall Height
2.438 inches
Overall Length
4.034 inches
Overall Width
2.438 inches
Flatted Portion Length
0.400 inches single end and 0.534 inches single end
Shaft Rotation Direction
Clockwise single end
Width Across Flats
0.243 inches single end and 0.245 inches single end
Mounting Method
Pad
Mounting Facility Type And Quantity
4 unthreaded hole
Calibration Speed In Rpm
4200.0
Calibration Voltage Output Type In Volts
21.0 ac
Features Provided
Horizontal mounting position and vertical mounting position
Length Of Shaft From Housing
0.467 inches single end
Center To Center Distance Between Mounting Facilities Parallel To Width
1.876 inches
Center To Center Distance Between Mounting Facilities Parallel To Height
1.876 inches
Shaft End Characteristic
A15 single style single end
Test Data Document
81349-mil-g-26611a specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Terminal Type And Quantity
1 receptacle
NSN
6680-00-179-2175
Part Number
22A658
Description
Generator,tachometer
CAGE
25140

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 22A658 NSN 6680-00-179-2175

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
1.2000lbs
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:
652
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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