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 6620-01-029-5223
NSN 6320-01-592-6248
NSN 5990-01-147-5225
NSN 5945-01-613-7743
NSN 6145-01-165-5633
NSN 5990-01-025-7466
NSN 6150-01-571-5951
NSN 5945-00-947-2709
NSN 5905-00-833-6523
NSN 4140-01-129-7715
NSN 6645-00-654-8804
NSN 5855-01-597-1836