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 5996-01-148-1252
NSN 5998-01-503-1667
NSN 5910-00-608-4544
NSN 5996-01-645-8232
NSN 6240-00-284-1457
NSN 6620-01-514-8859
NSN 6135-00-491-7429
NSN 6150-01-582-7592
NSN 6320-00-731-6134
NSN 5915-01-258-4911
NSN 5960-00-147-7475
NSN 5990-01-116-2181