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 6240-01-487-6459
NSN 5998-01-407-2060
NSN 4140-00-946-6478
NSN 5996-01-466-0431
NSN 6645-01-131-9152
NSN 5998-00-064-9634
NSN 6685-01-424-0497
NSN 5945-01-212-7912
NSN 6150-01-374-3381
NSN 5996-01-312-6856
NSN 5990-01-571-7468
NSN 6105-00-941-6493