Avionics
 
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Avionic Instruments

 

Undervoltage Relay

(KO) 402SX
Wilmar Electronics undervoltage relay with adjustable drop-out point. One normally closed & one normally open contact, 2 amp. 120 vac, 400 Hz. 3-1/2" x 3" x 3"H. 3.9" x 3.5" base plate.
 
 
$150 each
 

Left-Right Bendix
Indicator Compass

(MTR) 1N4A
Sparton left - right Bendix indicator compass. Requires 3-1/8" diameter hole. 2-5/8" behind panel depth. Made in the 1940s - 1950s. New, unused!!
 

Grimes Dome Light

(LMP) 10-0738-1
Grimes dome light. 28v. 2 bulbs included.

Grimes P/N: 10-0738-1
Boeing P/N: 204-40305-1
NSN: 6220-01-019-0503

$125 each
 
$150 each

Landing Light Canopy

(LMP) B3847
Landing light canopy. Aluminum. 8" diameter.
NSN: 6220-00-225-1732.

 

Grimes Landing Light
12 vdc

(LMP) R17L-11A60
Grimes landing light. 12 vdc. New, from reconditioning 1954. Motorized extension and retraction. Automatic shut-off at end of travel, both directions. Lamp only lights when fully extended. Dimensions: 5" x 10" x 13". Grimes P/N: G3100.
$35 each
 
$595 each

Grimes Landing Light
28 vdc

(LMP) 50-0076-1
Grimes landing light. 28 vdc. 8" diameter. Re-conditioned. NSN: 6220-00-397-6823.
 

400 Hz Transducer

(MTR) 3188
400 Hz transducer. Converts @ 0 - 115 vac, 380 - 420 Hz input to a 0 - 1 madc output signal to drive a standard panel meter. 10 - 32 stud posts in / out. 2-5/8" diameter x 3" high. Useful for any avionic or other 400 Hz power user to monitor line voltage.
$150 each
 
$15 each - $13 (3+)

Boeing Airplane Company
Test Set

(EQP) BC-714A
Boeing Airplane Company test set for Radio Compass.
BC-713A / BC-714A / I-100A

• Includes Test Cables
• Looks Brand New!!
• 12-3/4" x 14-1/2" x 14"

 

Bendix Radio
Antique Loop Azimuth Indicator
Collector's Item

Close up of drive gear
and 28 vdc lamp input
(MTR) MN-22A
Bendix Radio compass faces "Loop Azimuth Indicators" have a fixed 0-360 degree scale on the outer ring, a movable center ring 0-360 scale that rotates with large knob on lower right (7 o'clock) of face. 5-1/8" across and 2" deep. Side aluminating 28v lights (10 and 5 o'clock) can be changed from top.

Dial is driven at recessed gear as shown on detail. Originally syncho motors accomplished this. New in the box. Dated Feburary 16, 1944.
$250 each
 
$99 each