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 5905-01-060-2339
NSN 5905-01-284-2667
NSN 5925-01-285-8836
NSN 5855-00-089-3974
NSN 2925-01-400-2286
NSN 5895-01-645-8227
NSN 6685-01-157-9199
NSN 5925-01-414-6866
NSN 5925-01-134-4924
NSN 5945-00-478-8033
NSN 6320-01-415-0953
NSN 5920-01-369-6385