bushing set,beam assy part name assigned by controlling agency, main landing gear, b1-b acft end item identification, bushing set includes p/n's 1881b201 (2 ea), 1881-202 (2 ea), 1881b203 (4 ea), 1881-205 (3 ea), 1881-206 (1 ea) & 1881b312 (2 ea) special features