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 6150-00-692-6549
NSN 5930-01-296-1488
NSN 5975-01-646-8005
NSN 5925-00-432-0546
NSN 6685-01-494-9751
NSN 5905-00-327-0647
NSN 5965-01-399-7851
NSN 5920-00-518-1847
NSN 6240-01-358-7127
NSN 5930-01-363-0911
NSN 6685-01-052-5576
NSN 5945-01-659-5012