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 5998-01-391-9221
NSN 6610-00-104-0552
NSN 5855-01-100-3272
NSN 4140-01-246-4267
NSN 6645-01-023-8724
NSN 6240-01-344-2161
NSN 4140-01-195-6489
NSN 5999-01-341-0656
NSN 5930-01-185-4200
NSN 5905-01-298-9500
NSN 5965-00-957-5200
NSN 6645-01-632-2272