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 5996-00-389-7404
NSN 5905-01-159-3766
NSN 5975-01-506-6210
NSN 6685-00-578-5951
NSN 6240-01-310-7115
NSN 6145-01-254-4003
NSN 5895-01-469-5729
NSN 6650-00-670-2516
NSN 6610-01-566-4500
NSN 5905-00-118-4559
NSN 6645-01-550-3038
NSN 6320-00-681-1324