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 5895-00-858-6464
NSN 5960-01-595-2614
NSN 6685-01-468-7660
NSN 5998-01-522-2103
NSN 5999-01-296-9179
NSN 4140-01-268-5709
NSN 5925-01-642-0354
NSN 5910-00-561-1231
NSN 5999-00-368-2227
NSN 6610-00-200-8832
NSN 5965-00-959-4910
NSN 5855-01-462-4258