Volume 1
MIL-HDBK-162 A
Section 3
15 December 1965
ITEM NAME: INDICATOR GROUP
TYPE: AN/SPA-31A
Power Factor: 96%
RELATION TO SIMILAR EQUIPMENT
Pulse Repetition Frequency: 470 to 2800
None.
per sec
Operating Power Requirements: 115v ac,
TECHNICAL DESCRIPTION
60 cps, single ph, 8.6 amps, 990 va
Video Input: 1 to 2.5v (pos)
at 96% pf.
Trigger Input: 5 to 50v (pos)
Range Selection: O to 160 mi
INSTALLATION CONSIDERATIONS
Screen Diameter: 12 in.
Related Equipment: The AN/SPA-31A is
Viewing Diameter: 10 in.
mechanically and electrically inter-
Range Accuracy: Plus or minus 1.O% of
changeable with Indicator Group AN/
total scale.
SPA-31. Two-way interchangeable.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
Not Available.
REFERENCE DATA AND LITERATURE
Technical Manuals:
NAVSHIPS 93400
NAVSHIPS 93279
Nomenclature Card for Indicator Group
AN/S PA-31A.
AN/SPA-31A: 2
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