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 6685-01-437-8880
NSN 5996-01-494-4122
NSN 5905-00-176-2695
NSN 5985-00-883-1522
NSN 5985-00-513-0527
NSN 5960-00-153-7115
NSN 5910-01-570-7343
NSN 6645-01-324-2002
NSN 6685-01-253-2056
NSN 6150-00-518-1402
NSN 5935-01-415-1775
NSN 5925-01-420-1330