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 5915-00-661-2223
NSN 5925-01-271-3300
NSN 6105-00-205-0655
NSN 5930-01-461-2904
NSN 6685-01-458-8893
NSN 5990-01-510-4699
NSN 5996-01-287-0656
NSN 5925-01-254-4781
NSN 6645-01-422-3510
NSN 5965-00-144-2543
NSN 6135-01-309-8414
NSN 5915-01-282-7848