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 6130-01-079-3712
NSN 6150-00-977-7675
NSN 5996-01-188-3831
NSN 5960-00-922-6009
NSN 5996-00-296-9629
NSN 6110-01-503-7060
NSN 2925-00-290-7052
NSN 6645-01-233-1131
NSN 5998-00-142-5833
NSN 5920-00-246-5992
NSN 5920-01-630-3980
NSN 5905-00-576-9077