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 5905-00-276-7988
NSN 5915-00-177-5687
NSN 6610-00-036-9878
NSN 5835-00-170-5238
NSN 6650-01-030-5545
NSN 5910-00-078-1733
NSN 6650-00-389-4111
NSN 5975-01-389-9319
NSN 7035-01-356-4025
NSN 5910-00-163-2189
NSN 6620-01-371-1655
NSN 2925-01-553-5132