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 2925-01-345-5463
NSN 4140-01-517-8179
NSN 5930-00-269-3740
NSN 5905-01-157-9794
NSN 5925-01-182-8169
NSN 4140-00-815-3513
NSN 5945-01-652-5596
NSN 5999-01-535-6964
NSN 5960-00-197-6282
NSN 6685-01-137-1881
NSN 5835-00-930-8500
NSN 6110-00-317-8063