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 6105-01-599-1590
NSN 6135-00-112-8637
NSN 5996-01-421-9391
NSN 6620-01-138-8250
NSN 7035-00-981-7216
NSN 5945-01-038-3408
NSN 6220-01-571-0951
NSN 6320-01-516-3836
NSN 5999-00-889-5889
NSN 5835-00-880-6477
NSN 6685-01-319-6478
NSN 2925-00-233-5644