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 5930-01-306-9578
NSN 6130-01-625-6995
NSN 6110-00-097-1053
NSN 5950-01-101-5888
NSN 5935-00-540-8615
NSN 6650-01-384-1657
NSN 5910-01-197-8498
NSN 6110-01-421-8055
NSN 5990-01-407-6615
NSN 5925-00-523-9158
NSN 5855-00-179-8588
NSN 5999-01-459-8816
Last Updated: 05/08/2024