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 5910-01-364-1078
NSN 6650-00-221-7119
NSN 6105-00-610-0538
NSN 5965-01-350-1890
NSN 5990-00-647-4008
NSN 5999-01-080-1294
NSN 6645-00-527-7258
NSN 6145-01-089-8616
NSN 6685-01-255-6981
NSN 6620-00-111-0401
NSN 5915-01-527-8963
NSN 6620-01-166-1866