A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6220-01-554-7550
NSN 5950-00-942-1776
NSN 5990-00-919-4653
NSN 6135-01-324-7718
NSN 6145-01-492-5642
NSN 6110-01-471-7743
NSN 5920-01-562-3137
NSN 5965-01-496-9525
NSN 5895-00-629-6502
NSN 5999-01-630-5728
NSN 6685-00-960-0479
NSN 5925-01-333-8850