6610-00-086-3840, ALTIMETER,SERVO CONTROLLED,AUTOM

National Stock Number:
6610-00-086-3840

Federal Supply Class:
6610

National Item Identification Number:
000863840

Description:
ALTIMETER,SERVO CONTROLLED,AUTOM

Detail:
A SERVO CONTROLLED INSTRUMENT WHICH MEASURES ALTITUDE BY DIAL INDICATION TRANSMITTED BY SYNCHRO FROM A REMOTE SOURCE. THE TRANSMITTED ALTITUDE MAY BE PRESSURE ALTITUDE AS DERIVED FROM AN AIR DATA COMPUTER OR OTHER SUITABLE TRANSMITTER. IT EMPLOYS A ZERO SETTING SYSTEM TO PERMIT THE ALTIMETER TO BE SET AT ZERO ALTITUDE AT AN EXISTING GROUND LEVEL. THE ITEM INCORPORATES AN AUTOMATIC STANDBY FEATURE WHICH WILL REVERT TO DIRECT STATIC PRESSURE ACTUATION, INDICATED BY A WARNING SIGNAL IN THE EVENT OF ELECTRICAL MALFUNCTIONS OR AT THE PILOT'S OPTION. THE ITEM IS DESIGNED FOR USE IN AIRCRAFT WHERE ACCURACY IS REQUIRED TO MEET ALTITUDE SEPARATION REQUIREMENTS. SEE ALSO INFORMATION POSITIONING SET.

Manufacturer Information:

3252001-0101	99251	MISSION SYSTEMS DAVENPORT INC.
AAU19A	80058	JOINT ELECTRONICS TYPE DESIGNATION SYSTEM
AAU19AA	23669	AERONAUTICAL AND AERONAUTICAL SUPPORT EQUIPMENT TYPE DESIGNATION SYSTEM/MIL STD 875/

Techincal Specification:

FUNCTIONAL DESCRIPTION	A SERVOED ALTIMETER WITH AUTOMATIC PRESSURE STANDBY FEATURE WITH A RANGE FROM -1000 TO +80,000 FEET; BAROMETRIC ALTITUDE DATA IS TRANSFERRED VIA SYNCHRO OUTPUTS TO THE ALTIMETER SERVO MECHANISM WHICH IN TURN DRIVES THE COUNTER-DRUM-POINTER DISPLAY MECHANISM; THE UNIT PROVIDES THE PILOT WITH VISUAL INDICATION OF THE ALTITUDE BEING TRANSMITTED TO GROUND STATIONS
KNOB QUANTITY	2
KNOB PURPOSE	SET BAROMETRIC PRESSURE COUNTERS; TURN SERVO SYSTEM OFF OR RESET SERVO SYSTEM
OVERALL LENGTH	8.500 INCHES NOMINAL
OVERALL WIDTH	3.250 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY	ALTIMETER,SERVOED,COUNTER-DRUM-POINTER
POINTER FINISH	NONLUMINOUS
POINTER QUANTITY	1
REFERENCE DATA AND LITERATURE	T.O. 5F3-3-15-22
SCALE MARKING TRANSPARENCY	NONLUMINOUS
SCALE MARKING	NUMERALS
SCALE NAME	ALTITUDE
SCALE QUANTITY	3
SCALE SMALLEST INCREMENT GRADUATION	50 FEET
SCALE RANGE	RANGE -1000 TO +80,000 FEET
SPECIAL FEATURES	POWER 115 VAC, 400 HZ, SINGLE PHASE; INTEGRAL 5 VAC LIGHTING; DIAL DIAMETER 2.750 INCHES; HOUSED IN STANDARD MS33556 INSTRUMENT CASE; EACH REVOLUTION OF POINTER MEANS 1000 FEET OF ALTITUDE CHANGE; HUNDREDS OF FEET READ FROM VERTICAL DRUM; THOUSANDS OF FEET READ FROM 2 COUNTERS

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