Part Number
Definition:
AN ITEM WHICH CONTROLS BOTH THE DIRECTION AND THE RATE OF FLOW OF FLUID IN DIRECT RESPONSE TO A PRIMARY CONTROL OF COMPARATIVELY LOW LEVEL FORCE. IT IS USED FOR POSITIONING A LINEAR ACTUATING CYLINDER ASSEMBLY, AND FOR CONTROLLING THE RATE OF TRAVEL OF THE PISTON. THE PRIMARY CONTROL FORCE MAY BE MECHANICAL, HYDRAULIC, AND/OR ELECTRICAL.
CAGE Information
| Code | Company |
|---|---|
| 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC |
Federal Supply Class
Title
AIRCRAFT HYDRAULIC, VACUUM, AND
Inclusions:
INCLUDES HYDRAULIC AND PNEUMATIC ACCUMULATORS, PUMPS, MOTORS, ACTUATING CYLINDERS, AND FILTERS; DE-ICING BOOTS; FLUID TYPE DE-ICING PUMPS, VALVES AND FILTERS; VACUUM SYSTEM OIL SEPARATORS; PNEUMATIC PRESSURIZATION EQUIPMENT OTHER THAN THAT FOR PRESSURIZING CABINS AND COMPARTMENTS.
Exclusions:
EXCLUDES JET ENGINE HYDRAULIC COMPONENTS (FSC 2840); VALVES SPECIFICALLY DESIGNED FOR AIR CONDITIONING, HEATING, VENTILATING, CABIN PRESSURIZING, AND THERMAL DE-ICING (FSC 1660); VALVES SPECIFICALLY DESIGNED FOR USE WITH AIRCRAFT ENGINES (FSC 2840); GUIDED MISSILES AND GUIDED MISSILE ENGINES (FSC 1338), LANDING GEAR (FSC 1620), WHEEL AND BRAKE SYSTEM COMPONENTS (FSC 1630); OXYGEN BREATHING SYSTEM COMPONENTS (FSC 1660); IN-FLIGHT REFUELING SYSTEM HYDRAULIC COMPONENTS (FSC 1680); SPECIFICALLY DESIGNED HYDRAULIC POWER STEERING SYSTEM COMPONENTS (FSC 1620).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| FEAT | SPECIAL FEATURES | RATED FLOW:W/LOOPED PORTS AND 3000 PSI PRESSURE DROP:1.80;RATED CURRENT:20MA DIFFERENTIAL;COIL RESISTANCE:200 OHMS/COIL;HYSTERESIS:3 PCT OF RATED CURRENT MAX;INTERNAL LEAKAGE:0.10GPM TARE,0.176 GPM MAX;FREQ RESPONSE:RESONANCE:NONE BELOW 160HZ;AMPLITUDE RATIO:2DB AT 100HZ;PHASE LAG:50 DEG MAX AT 100HZ |
| AGAV | END ITEM IDENTIFICATION | NSN1520-01-106-9519,ARMT SUBSYSTEM,HELICOPTER 30MM AUTO GUN |