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 6320-01-220-2264
NSN 5835-01-339-0542
NSN 5895-01-095-5312
NSN 6145-00-596-2606
NSN 6130-01-615-1024
NSN 5920-01-593-9615
NSN 6320-00-506-2314
NSN 5996-01-389-3574
NSN 5910-01-197-5922
NSN 5945-01-209-2723
NSN 2925-01-633-4048
NSN 6610-01-018-4428