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 5925-01-200-2714
NSN 5930-01-132-2241
NSN 5965-01-450-5132
NSN 5925-00-075-7892
NSN 6240-00-551-3144
NSN 5965-01-462-1800
NSN 6150-01-539-5419
NSN 5915-00-039-5192
NSN 5996-01-579-4849
NSN 6145-01-331-9944
NSN 5950-00-528-9907
NSN 5910-00-913-8733