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 6145-01-102-2825
NSN 6220-00-339-2756
NSN 5985-01-222-5712
NSN 5910-01-658-2981
NSN 6320-01-198-4024
NSN 6105-01-045-6475
NSN 5965-01-053-7168
NSN 6685-01-527-3368
NSN 5935-01-260-5258
NSN 5855-01-063-6340
NSN 5945-00-895-0213
NSN 6105-01-023-4108