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 2925-01-523-3607
NSN 6320-01-373-9355
NSN 6220-01-013-9498
NSN 5905-00-829-9902
NSN 6110-00-596-9124
NSN 5999-01-414-3375
NSN 5965-01-177-4872
NSN 6320-01-019-1028
NSN 6610-01-011-5942
NSN 6130-01-418-8403
NSN 5985-00-382-7242
NSN 6685-01-140-6604