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 6610-01-108-4687
NSN 6130-00-876-2511
NSN 6135-00-628-1142
NSN 5920-00-682-0500
NSN 5920-01-227-7614
NSN 5996-01-514-1610
NSN 5925-00-188-8678
NSN 5905-00-804-3361
NSN 5999-00-112-8014
NSN 6645-01-184-9142
NSN 6105-00-224-5358
NSN 5999-00-229-8840