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 5998-00-294-9368
NSN 5998-01-428-7524
NSN 5950-01-027-0695
NSN 5945-00-387-3958
NSN 6685-00-833-6132
NSN 5920-01-113-8048
NSN 6240-01-465-3053
NSN 5960-01-428-7300
NSN 5985-00-470-9256
NSN 5920-01-623-9474
NSN 6130-00-369-0624
NSN 5835-00-170-5238