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 6110-01-027-1501
NSN 6645-00-880-8045
NSN 6610-01-189-3001
NSN 5975-01-125-4411
NSN 5950-01-446-6484
NSN 2925-00-073-9375
NSN 5985-00-578-7740
NSN 5855-01-258-6180
NSN 6145-01-112-0397
NSN 5915-01-582-5096
NSN 5945-00-240-0103
NSN 5996-00-543-1566