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 5990-01-506-7695
NSN 5996-00-221-7663
NSN 5999-01-013-7202
NSN 6145-01-073-9330
NSN 5925-01-242-9945
NSN 6650-00-255-6796
NSN 5998-01-657-3807
NSN 6320-01-296-3181
NSN 5998-01-557-1060
NSN 5960-00-228-5985
NSN 6685-00-682-0907
NSN 6685-01-371-1624