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 6320-00-456-2092
NSN 6105-01-535-0308
NSN 6135-01-499-3516
NSN 6130-01-527-2164
NSN 5985-00-189-0599
NSN 6610-01-440-4314
NSN 6105-01-025-5981
NSN 5950-01-545-2908
NSN 5950-01-426-1580
NSN 6145-01-361-8985
NSN 5910-01-431-9072
NSN 6645-01-467-9983