Electrical Tachometer Indicator

4L97553-107A

4L97553-107A
(NSN) National Stock Number
6620-01-277-3947
Federal Supply Classification
6620 Engine Instruments
Item Name Code
08260
Schedule B Code
9029900000
Summary

9.750 inches nominal length, ac current type, 115.0 volts nominal ac voltage rating, 400.0 hertz nominal frequency rating, 32 contact quantity, p/n 4l11008 panel,control; engine instruments flight engineers station c5a acft end item identification

DAC HCC DMIL RNCC
2 - - 1
RNVC SADC MSDS RNAAC
2 - - MB
Identification

An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.

INC FIIG Concept Condition
08260 A532Q0 - 2
Specifications
Length
9.750 inches nominal
Details A measurement of the longest dimension of any object,in distinction from width.
Current Type
ac
Details Indicates the type of current whether alternating,direct,or both.
Ac Voltage Rating
115.0 volts nominal
Details The value,or range of values,of root mean square potential for which the item is rated.
Frequency Rating
400.0 hertz nominal
Details The number of complete cyclic changes,per unit of time,for which an item is rated.
Contact Quantity
32
Details The number of contacts which provide electrical connection.
End Item Identification
p/n 4l11008 panel,control; engine instruments flight engineers station c5a acft
Details The national stock number or the identification information of the end equipment for which the item is a part.
Contact Type
pin
Details Indicates the type of contact(s) included on the item.
Scale Range
+0.1 to 110.0 percent revolutions per minute single indicator all scales
Details An indication of the scale range.
Individual Marking
rpm % x 10
Details An indication of the individual marking on the item.
Electrical Connection Quantity
1
Details The number of electrical connections provided.
Electrical Connection Identifying Number
ms3126f18-32s
Details The identifying number assigned by the government agency or commercial organization controlling the electrical connection.
Mounting Facility Type And Quantity
1 flange
Details Indicates the type and number of facilities by which the item is mounted.
Part Name Assigned By Controlling Agency
indicator,electrical tach-engine
Details The name assigned to the item by the government agency or commercial organization controlling the design of the item.
Dial Height
4.125 inches nominal
Details A measurement from the bottom to the top of the dial,in distinction from depth.
Dial Width
1.438 inches nominal
Details A measurement taken at right angles to the length of the dial,in distinction from thickness.
Phase
single
Details The number of alternating current phases.
Special Features
indicator is a scale with range of 0 to 110 percent rpm
Details Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification on one or more other functions.
Height
6.310 inches nominal
Details A measurement from the bottom to the top of an object,in distinction from depth.
Color
white background overall
Details A characteristic of light that can be specified in terms of luminance,dominant wavelength,and purity.
Master-Cross Reference List
Part CAGE DAC HCC RNCC RNVC MSDS RNAAC
8DJ199LWH2 97424 2 - 3 2 - MB
Material and Special Handling
Hazardous material, precious metals, criticality, and electrostatic discharge indicators.
HMIC PMIC ESD/EMI Criticality
N A A -
Freight
Universal / National Freight and Handling Information
UFC HMC LTL LCL
61410 - W -
RVC WCC TCC SHC
- 658 Z 9

What's Included?

  • Certificate of Conformity
  • QC Inspection prior to shipping
  • On time delivery
  • Friendly service to back every order
Manufacturer
LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY
CAGE: 98897
MARIETTA , GA , 30063-0001
UNITED STATES
View Products
FAQs
Frequently asked questions for NSN 6620-01-277-3947
What is the NIIN of the NSN 6620-01-277-3947?
The National Item Identification Number (NIIN) of the NSN 6620-01-277-3947 is 01-277-3947
When the NSN 6620-01-277-3947 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Thu, Apr 21, 1988
Does the NSN 6620-01-277-3947 contain any precious metals?
Does not contain precious metal
Does the NSN 6620-01-277-3947 contain any hazardous material?
No data in HMIRS
What is the ESD classification of NSN 6620-01-277-3947?
No known electrostatic discharge

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