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 6685-00-937-5337
NSN 5855-01-027-1571
NSN 5999-01-319-9509
NSN 5905-00-126-8846
NSN 5985-01-386-2760
NSN 7035-01-158-7673
NSN 5950-01-099-1683
NSN 6620-01-112-6440
NSN 6130-00-896-0046
NSN 5950-01-310-9369
NSN 5999-00-081-9413
NSN 6105-01-171-8525