Product Details | ELECTRICAL TACHOMETER INDICATOR

6620-00-479-9425 An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.2036320000066200018Engine Instruments66800078Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments

Part Alternates: SCD7040, SCD7040B, 6620-00-479-9425, 00-479-9425, 6620004799425, 004799425

Instruments and Laboratory Equipment | Engine Instruments

Supply Group (FSG) NSN Assign. NIIN
66 26 AUG 1970 00-479-9425

Cross Reference | NSN 6620-00-479-9425

Part Number Cage Code Manufacturer
SCD7040 04984 CELTECH CORPORATION DBA SPACE DIVISION
SCD7040B 04984 CELTECH CORPORATION DBA SPACE DIVISION

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Technical Data | NSN 6620-00-479-9425

Characteristic Specifications
ELECTRICAL CONNECTION QUANTITY 1
ELECTRICAL CONNECTION IDENTIFYING NUMBER MS3102E-14S-7P
PRESENTATION TYPE DIAL AND DIGITAL DISPLAY
CURRENT TYPE AC
AC VOLTAGE RATING 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
FREQUENCY RATING 60.0 HERTZ NOMINAL
CONTACT QUANTITY 7
CONTACT TYPE PIN
LENGTH 12.000 INCHES NOMINAL
WIDTH 6.100 INCHES NOMINAL
HEIGHT 6.200 INCHES NOMINAL
SPECIAL FEATURES RANGES: 0-70,000 RPM DIGITAL, 0-130.0% RPM DIGITAL AND 0-125% RPM ANALOG; ACCURACY DIGITAL +/- 0.4% OF READING AND ANALOG +/- 1.0% FULL SCALE; READOUT LIGHT DISPLAY, DIGITAL; INPUT SIGNAL TACH GENERATOR MIL-G-9398 ROTATES AT 4200 RPM = 70 CPS WHEN ENGINE IS AT 100% ROTOR SPEED; SAMPLING RATE 0.2 -3 SECONDS
III END ITEM IDENTIFICATION A/M37T ENGINE TEST STAND
III SUPPLEMENTARY FEATURES T.O. 33D4-6-212-41
III PART NAME ASSIGNED BY CONTROLLING AGENCY SPEED INDICATOR

Restrictions/Controls & Freight Information | NSN 6620-00-479-9425

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 061700 ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating P 77.5
Less than truck load rating W Rating Variable
Water commodity Code 72D unknown
Originating Activity Code SX Oklahoma City Air Logistics Center
Tinker AFB, OK 73145-3043
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Q Extremely fragile items including delicate instruments.
Special Handling Code Q unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable