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 6620-01-301-3258
NSN 5996-01-052-8215
NSN 6685-00-422-2990
NSN 6105-01-511-8697
NSN 6110-00-100-4775
NSN 5915-00-209-9769
NSN 4140-00-900-6102
NSN 5985-00-483-2506
NSN 5895-01-227-2651
NSN 6130-01-206-6763
NSN 5998-00-966-1914
NSN 5996-00-421-5340