1560-00-077-1140 (3P21022-101)
NSN 1560-00-077-1140 (NIIN 00-077-1140) is an aircraft access cover in Federal Supply Class 1560, Airframe Structural Components. Manufacturer part number 3P21022-101.
NIIN assigned January 1963; DEMIL B (USML, demil required); ships at 2 lb / 0.3394 cu ft.