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 6145-01-356-6684
NSN 5960-01-180-8000
NSN 5965-01-227-4517
NSN 5910-00-133-0497
NSN 7035-01-104-4349
NSN 5945-01-391-6289
NSN 6130-00-227-7798
NSN 6620-01-523-7245
NSN 6130-00-882-3619
NSN 6620-00-811-7614
NSN 5920-01-182-0612
NSN 6105-01-167-9229