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 5835-00-494-1701
NSN 5950-01-549-6196
NSN 6610-00-311-0974
NSN 5965-01-124-1817
NSN 6150-01-426-1165
NSN 5975-01-641-4517
NSN 5965-00-529-0602
NSN 5910-00-893-8532
NSN 6620-01-625-2855
NSN 5960-00-266-6741
NSN 5945-00-561-7868
NSN 6110-01-354-5074