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 6610-00-495-9053
NSN 6130-01-020-7307
NSN 5855-01-327-2681
NSN 5835-01-222-2437
NSN 5920-01-238-2174
NSN 5945-01-200-6316
NSN 5990-00-033-8128
NSN 6620-01-122-0238
NSN 5910-01-607-6699
NSN 6220-01-162-3293
NSN 6145-01-054-5218
NSN 5998-01-218-6885