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 6110-01-441-7727
NSN 6685-01-437-8425
NSN 6220-01-197-0486
NSN 6150-01-039-6886
NSN 5985-01-033-8228
NSN 5855-01-457-7715
NSN 5965-00-834-6298
NSN 6130-01-044-1888
NSN 5895-01-514-8184
NSN 6650-01-341-9838
NSN 5835-00-113-6090
NSN 5930-01-296-6809