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 4140-01-499-8906
NSN 5905-01-224-7196
NSN 6645-01-609-0332
NSN 6685-01-649-0764
NSN 6145-01-158-8408
NSN 5915-00-832-9581
NSN 6150-00-097-6928
NSN 5930-01-100-4643
NSN 5905-00-226-0914
NSN 6110-01-089-9017
NSN 6320-01-585-8468
NSN 5895-00-925-5810