Product Details | ENGINE PRESSURE RATIO INDICATOR

6620-01-183-0406 An instrument designed to reflect one of the testing parameters for conducting engine performance and functional testing in an operating engine system. Its dial is graduated in units of pressure ratio, and is used to indicate the percent of differential pressure ratio of exhaust gas pressure to intake (engine inlet) pressure for gas turbine or jet propulsion engines.

Part Alternates: EGK7A24J13, MILE27675, MIL-E-27675, 6620-01-183-0406, 01-183-0406, 6620011830406, 011830406

Instruments and Laboratory Equipment | Engine Instruments

Supply Group (FSG) NSN Assign. NIIN
66 01 JUL 1984 01-183-0406

Drawings & Photos | NSN 6620-01-183-0406


Cross Reference | NSN 6620-01-183-0406

Part Number Cage Code Manufacturer
EGK7A24J13 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-E-27675 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILE27675 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 6620-01-183-0406

Characteristic Specifications
ELECTRICAL CONNECTION QUANTITY 1
ELECTRICAL CONNECTION IDENTIFYING NUMBER MS27034-H-167-24P
SCALE RANGE 1.0 TO 2.2 ENGINE PRESSURE RATIO ALL INDICATORS ALL SCALES
POINTER TYPE INDICATING SINGLE POINTER
COLOR WHITE MARKER OVERALL
ILLUMINATION COLOR GENERATION METHOD INTEGRAL LIGHT
CURRENT TYPE AC
AC VOLTAGE RATING 115.0 VOLTS NOMINAL
PHASE SINGLE
FREQUENCY RATING 400.0 HERTZ NOMINAL
CONTACT QUANTITY 24
CONTACT TYPE PIN
MOUNTING FACILITY TYPE AND QUANTITY 4 THREADED HOLE
MOUNTING HOLE DIAMETER 0.170 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE 3 FOUR HOLE/STUD RECTANGULAR/SQUARE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH 1.438 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH 6.000 INCHES NOMINAL
WIDTH 1.750 INCHES NOMINAL
HEIGHT 6.312 INCHES NOMINAL
DEPTH 9.625 INCHES NOMINAL
FEATURES PROVIDED HERMETICALLY SEALED CASE
SPECIAL FEATURES INDICATOR TYPE TAPE SCALE; WEIGHT 5.0 LBS; FILLING MEDIUM 100% HELIUM; FILLING TUBE 1.750 INCHES LONG; SCALE CONSISTS OF 4 VERTICAL TAPES WITH TAPE DRIVE STOPS; EACH TAPE INCLUDES A POWER OFF WARNING; LIGHTING PER MIL-L-27160; INDICATOR CASE FINISHED IN DURABLE DULL BLACK PER FED-STD-595 COLOR 37038
III END ITEM IDENTIFICATION C-141 AIRCRAFT
III SUPPLEMENTARY FEATURES DESIGNED TO RECEIVE SINGLE SYNCHRO OUTPUT SIGNALS FROM PRESSURE TRANSMITTER TYPE TRK-55/A24J-13
III PART NAME ASSIGNED BY CONTROLLING AGENCY INDICATOR,PRESSURE RATIO EGK-7/A24J-13
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE EGK7A24J13
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-E-27675

Restrictions/Controls & Freight Information | NSN 6620-01-183-0406

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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 658 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 H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable