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 5930-01-062-1450
NSN 6610-01-646-1609
NSN 6685-01-466-2051
NSN 5990-01-215-0590
NSN 5998-01-035-5058
NSN 5915-00-896-3111
NSN 5996-01-113-0377
NSN 6150-00-262-0477
NSN 5985-01-011-7406
NSN 5998-00-966-6405
NSN 5925-01-343-5350
NSN 6145-01-003-9741