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 4140-01-580-0277
NSN 6610-01-367-5110
NSN 5925-01-401-5314
NSN 5930-01-260-9584
NSN 6685-01-469-3137
NSN 5910-00-528-9714
NSN 5996-00-278-5193
NSN 7035-00-155-9513
NSN 5975-00-189-0857
NSN 6620-01-502-1656
NSN 5905-01-293-6513
NSN 6320-01-316-2190