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 6685-01-210-0112
NSN 5915-01-423-4185
NSN 5965-01-561-7560
NSN 6620-01-025-3401
NSN 5855-01-149-4110
NSN 5990-01-447-7779
NSN 6320-01-512-2031
NSN 6650-00-161-4122
NSN 6320-01-296-3181
NSN 6150-01-512-7700
NSN 5975-01-417-3267
NSN 5985-01-173-0113