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 5965-00-081-9412
NSN 5920-01-530-8599
NSN 6610-00-292-9895
NSN 5990-01-154-7296
NSN 6240-01-586-6204
NSN 5855-01-283-2870
NSN 6685-00-962-2724
NSN 6130-01-629-9680
NSN 6610-01-646-1609
NSN 4140-01-048-4424
NSN 2925-00-555-8836
NSN 6685-01-304-0927