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 5925-00-135-2086
NSN 5960-00-193-0620
NSN 5855-00-631-4565
NSN 6320-01-345-5817
NSN 6145-01-357-3971
NSN 5960-01-021-7207
NSN 6320-01-476-7702
NSN 5905-01-381-6386
NSN 6685-00-613-5530
NSN 5905-00-787-7451
NSN 6320-01-412-2973
NSN 6620-01-032-3937