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 5905-01-071-0400
NSN 5996-01-631-8490
NSN 5960-01-360-4107
NSN 6685-00-198-9506
NSN 5915-01-447-6297
NSN 5960-01-412-0619
NSN 6650-00-137-5859
NSN 5920-00-782-6903
NSN 6620-00-214-3949
NSN 6620-01-456-0529
NSN 5910-00-071-7646
NSN 5990-00-471-9767