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 6105-00-250-5138
NSN 4140-00-985-0182
NSN 5895-00-865-7634
NSN 5920-01-148-1042
NSN 6145-00-819-0062
NSN 5915-00-093-6128
NSN 4140-01-115-5977
NSN 6130-01-399-0126
NSN 6130-00-182-1451
NSN 6320-01-415-0953
NSN 6145-01-554-0032
NSN 5996-00-917-0626