Corners have half-arch cutout; marked "fuel heaters" at top center; has 16 holes 0.531 in dia, cbore 0.750 diameter x 0.12 deep: top left one marked " apu 2" above "a/c" over hole, "d/c" below, and "off" to left; top right hole marked "apu 1" above "a/c" over hole, "d/c" below, and "off" to right; below these is a row of 4 holes marked "tank 4 tank 2 tank 3 tank 1" above line with word "pre" marked above each hole, below row is line with "sus" below each hole, to left and right of row is "off"; below center grommet is marking " anti-ice" with "eng 4 eng 2 eng 3 eng 1" then row with "open" above and "close under each hole; next is row of 4 holes with " p prp s prp apu 2 apu 1" on one line and "on" above and "off" below each hole; at bottom left are 2 holes marked ""engine" above "blo-in" above "on" over left one and "apu" above "blo-in" above "on" over right one and "off" below both
NSN 5855-01-191-3404
NSN 5935-01-514-3431
NSN 6620-00-428-9866
NSN 4140-01-455-0924
NSN 5855-00-908-9296
NSN 5965-00-144-2543
NSN 6145-01-400-1030
NSN 6240-00-224-5323
NSN 6685-01-509-4957
NSN 5965-00-171-1265
NSN 5975-01-547-2529
NSN 5930-01-171-4009
Last Updated: 11/14/2024