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 5960-01-106-7904
NSN 5925-00-752-8292
NSN 5996-00-080-7675
NSN 6320-01-166-3602
NSN 5905-00-144-8471
NSN 5835-01-381-2683
NSN 6650-01-500-0555
NSN 5999-01-296-9859
NSN 6685-01-339-3656
NSN 6145-00-625-0714
NSN 4140-01-080-5114
NSN 6320-00-586-5641