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 5985-00-489-3693
NSN 5920-01-533-3873
NSN 6645-00-152-6545
NSN 5910-00-368-4108
NSN 6220-01-247-0086
NSN 5975-00-107-4283
NSN 7035-01-543-6557
NSN 6130-01-255-8692
NSN 7035-00-941-4949
NSN 5985-00-004-5980
NSN 7035-00-358-0470
NSN 5855-01-421-7691