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 5965-01-624-7594
NSN 5975-01-152-1960
NSN 5975-00-889-0496
NSN 4140-01-648-2249
NSN 5925-01-310-7662
NSN 5910-01-444-7828
NSN 5990-01-286-0601
NSN 6145-01-458-9237
NSN 5905-01-537-0200
NSN 5925-01-414-6866
NSN 5998-01-624-0831
NSN 6620-01-615-5609