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 5985-01-452-8211
NSN 5905-01-468-6774
NSN 6150-01-414-8802
NSN 6145-01-036-9262
NSN 5965-01-068-2714
NSN 5950-00-353-5382
NSN 6685-00-420-0027
NSN 5960-01-058-1074
NSN 5998-00-982-6049
NSN 5950-01-252-3985
NSN 5960-01-293-6624
NSN 5855-00-361-0167