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 5950-00-557-1684
NSN 5855-01-388-6837
NSN 6610-01-137-5959
NSN 6645-00-754-4108
NSN 6220-01-605-1346
NSN 7035-00-252-7467
NSN 5910-01-386-9602
NSN 6320-01-487-0336
NSN 5895-01-395-6174
NSN 6320-01-449-1014
NSN 6130-00-133-1598
NSN 6145-00-996-8879