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 5925-00-430-9707
NSN 5895-00-079-2055
NSN 2925-01-464-3093
NSN 5990-01-641-2217
NSN 6320-01-425-1417
NSN 5935-00-458-3443
NSN 6320-01-322-8340
NSN 6240-00-117-9957
NSN 5855-00-631-4565
NSN 5975-01-170-4131
NSN 6610-00-710-0993
NSN 2925-00-555-8836