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 5998-00-176-3610
NSN 5920-01-315-8080
NSN 6110-01-255-0889
NSN 6685-01-382-9459
NSN 6610-01-573-5949
NSN 5910-00-541-1381
NSN 6105-01-499-7555
NSN 6240-00-155-7900
NSN 6135-00-982-1882
NSN 6610-01-592-4150
NSN 6685-01-478-7574
NSN 6320-01-374-9924