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 6130-01-434-0683
NSN 6150-00-886-6638
NSN 7035-01-235-2295
NSN 5905-01-341-9706
NSN 5930-01-068-0054
NSN 6150-00-276-7483
NSN 5910-01-186-2706
NSN 6685-01-246-5038
NSN 5895-00-416-6141
NSN 6105-00-116-9717
NSN 5855-01-601-0754
NSN 5835-01-509-9717