Product Details | ENGINE PRESSURE RATIO INDICATOR

6620-00-954-4971 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: EGU9A2, MILI38121, 6620-00-954-4971, 00-954-4971, 6620009544971, 009544971

Instruments and Laboratory Equipment | Engine Instruments

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1962 00-954-4971

Cross Reference | NSN 6620-00-954-4971

Part Number Cage Code Manufacturer
EGU9A2 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILI38121 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 6620-00-954-4971

Characteristic Specifications
ELECTRICAL CONNECTION QUANTITY 1
ELECTRICAL CONNECTION IDENTIFYING NUMBER MS33678H-16S-1P
SCALE RANGE 1.1 TO 2.5 PRESSURE RATIO SINGLE INDICATOR SINGLE SCALE
COLOR WHITE MARKER OVERALL
CURRENT TYPE AC
DC VOLTAGE RATING 26.0 VOLTS NOMINAL
PHASE SINGLE
FREQUENCY RATING 400.0 HERTZ NOMINAL
CONTACT QUANTITY 7
CONTACT TYPE PIN
LENGTH 5.750 INCHES NOMINAL
WIDTH 2.000 INCHES NOMINAL
HEIGHT 2.000 INCHES NOMINAL
SPECIAL FEATURES 5V INTEGRAL LIGHTING PER MIL-L-25467
MANUFACTURERS CODE 81349
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE EGU9A2
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MILI38121

Restrictions/Controls & Freight Information | NSN 6620-00-954-4971

Category Code Description
Shelf-Life Code:0Nondeteriorative
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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Controlled Inventory Item Code:UUNCLASSIFIED
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 120840 ENGINES INTERNAL COMBUSTION NOI
Less than car load rating P 77.5
Less than truck load rating F 150.0
Water commodity Code 593 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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

Management | NSN 6620-00-954-4971

Category Code Description
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplyFHZOklahoma City Air Logistics Center
Tinker AFB, OK 73145-5989
AgencyDFDepartment of the Air Force
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityTAF Recoverable Assembly Management System (AFRAMS)
Acquisition Advice CodesCSERVICE/AGENCY-MANAGED (Service/Agency use only.) # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by individual Services supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each