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 6220-01-407-8403
NSN 5915-01-213-2113
NSN 5935-01-232-1643
NSN 5990-01-024-9659
NSN 6220-01-289-3014
NSN 5965-01-419-2251
NSN 5999-01-319-0088
NSN 6240-01-281-7249
NSN 5999-01-353-8073
NSN 6110-01-014-3840
NSN 5930-01-370-5287
NSN 6685-01-309-0118