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 6135-01-351-1131
NSN 6240-01-337-2509
NSN 5930-00-781-0805
NSN 5996-01-334-6471
NSN 5960-00-076-5546
NSN 6135-01-226-4071
NSN 6145-00-889-1492
NSN 5998-00-707-5781
NSN 6130-00-170-4844
NSN 6130-00-113-1994
NSN 5855-00-688-9954
NSN 6320-00-098-2858