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 5965-01-411-9933
NSN 5920-00-963-0140
NSN 6645-01-484-9847
NSN 6620-01-212-8089
NSN 5925-00-903-3417
NSN 6620-00-050-1086
NSN 6130-00-763-6041
NSN 5855-00-403-1031
NSN 5999-01-512-1871
NSN 5895-01-260-6769
NSN 6320-01-296-3181
NSN 5935-00-385-3635