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 6220-00-246-7245
NSN 4140-01-592-4133
NSN 6240-01-282-0983
NSN 6130-00-925-7203
NSN 6240-01-412-0715
NSN 6135-01-455-2233
NSN 6320-01-314-8017
NSN 6685-01-556-1965
NSN 5925-00-118-2464
NSN 5960-00-014-1235
NSN 5975-01-537-0133
NSN 6240-01-344-2161