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 6145-01-447-0871
NSN 5895-01-604-9279
NSN 5960-01-476-3239
NSN 5999-01-365-8059
NSN 4140-00-660-8699
NSN 5975-01-464-9164
NSN 6685-01-458-6469
NSN 6620-00-920-1671
NSN 5855-01-232-9440
NSN 5998-01-283-4469
NSN 5855-00-361-0167
NSN 5950-00-413-0606
Last Updated: 04/29/2024