Parts ms28778-xx are nbr rubber
Classification: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)
NSN 6320-00-139-1090
NSN 6150-01-574-7191
NSN 5855-00-494-9581
NSN 5965-00-934-3495
NSN 5915-01-625-0109
NSN 5945-01-568-7389
NSN 4140-01-625-7713
NSN 5910-01-133-9264
NSN 5835-00-729-9305
NSN 5999-01-652-8578
NSN 5915-00-142-6912
NSN 6685-01-127-6834