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 6220-00-364-1605
NSN 5925-01-159-5236
NSN 5915-01-533-2481
NSN 5945-00-948-3673
NSN 5965-01-060-2558
NSN 5996-01-469-6165
NSN 6240-00-738-1878
NSN 6610-01-382-7894
NSN 6150-00-805-0808
NSN 6130-01-231-5511
NSN 6620-01-421-3370
NSN 6135-01-490-7704