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 5975-00-080-2706
NSN 6110-00-411-5830
NSN 5920-01-438-6445
NSN 5910-01-575-6847
NSN 6220-00-456-2911
NSN 6645-01-400-2119
NSN 6650-01-519-9165
NSN 5855-01-076-9369
NSN 5925-01-216-3573
NSN 5950-00-724-5642
NSN 5925-01-581-7386
NSN 6685-00-169-6505