bushing set includes p/n's 1881-11 (1 ea), 1881b278 (4 ea), 1881b21 (2 ea) & 1881b22 (2 ea) & 1881b17 (2 ea) special features, main landing gear, b1-b acft end item identification, bushing set,spindle assy, (lh) part name assigned by controlling agency