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 5999-00-237-7362
NSN 5998-01-559-6364
NSN 5855-01-134-7106
NSN 6220-00-148-8698
NSN 6130-01-444-4947
NSN 6320-01-089-9086
NSN 5905-01-365-2397
NSN 5990-01-124-8412
NSN 5975-00-776-9835
NSN 5855-00-058-1293
NSN 6685-01-119-7402
NSN 5999-00-924-9112