Part Number
Part Number:
NSN:
NIIN:
Item Name:
INDICATOR , RATIO , ENGINE PRESSURE
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 81205 | THE BOEING COMPANY DBA BOEING DIV DE |
Federal Supply Class
Title
ENGINE INSTRUMENTS
Inclusions:
INCLUDES ALL ENGINE INSTRUMENTS, INCLUDING AIRCRAFT, MARINE, AND VEHICULAR; FUEL PRESSURE GAGES; MANIFOLD PRESSURE GAGES; OIL PRESSURE GAGES; FUEL MIXTURE INDICATORS; ENGINE OIL AND FUEL WARNING DEVICES.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABRY | LENGTH | 6.520 INCHES NOMINAL |
| ACDC | CURRENT TYPE | AC/DC |
| CXPK | DIAL HEIGHT | 1.995 INCHES NOMINAL |
| CXPW | DIAL WIDTH | 1.995 INCHES NOMINAL |
| ACZB | FREQUENCY RATING | 400.0 HERTZ NOMINAL |
| HGTH | HEIGHT | 1.995 INCHES NOMINAL |
| AWHH | ILLUMINATION COLOR GENERATION METHOD | INTEGRAL LIGHT AND WHITE SOURCE W/RED FILTER |
| ABGL | WIDTH | 1.942 INCHES NOMINAL |
| ASKX | ELECTRICAL CONNECTION QUANTITY | 1 |
| FEAT | SPECIAL FEATURES | COMMERCIAL RED LIGHTING |
| ACYN | AC VOLTAGE RATING | 115.0 VOLTS NOMINAL |
| ASST | POINTER TYPE | INDICATING SINGLE POINTER |
| APSK | SCALE RANGE | +0.0/+2.4 PRESSURE RATIO SINGLE INDICATOR SINGLE SCALE |
| BFQP | DISPLAY DIGIT QUANTITY | 3 |