main landing gear, b1-b aircraft end item identification, bushing set,cylinder outer part name assigned by controlling agency, bushing set includes p/n's 1881b31 (2 ea), 1881b32 (6 ea), 1881-332a (2 ea), 1881a29 (2 ea), 1881a30 (4 ea), 1881-202 (2 ea) & 1881b34 (2 ea) special features