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 5950-00-235-8728
NSN 6110-01-413-8347
NSN 5895-01-096-7478
NSN 6130-00-576-4867
NSN 5996-01-324-6378
NSN 6135-00-377-9165
NSN 5950-00-119-3536
NSN 5910-00-584-6484
NSN 6130-01-503-7867
NSN 6645-01-462-2101
NSN 6685-01-485-3110
NSN 5905-00-296-8763