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 5985-00-387-5974
NSN 5915-00-166-3515
NSN 6105-01-206-3123
NSN 6135-00-883-9024
NSN 6110-01-512-1537
NSN 5998-01-457-5342
NSN 2925-00-491-3549
NSN 5965-01-218-5003
NSN 5925-01-652-3554
NSN 5925-00-179-8327
NSN 6645-01-232-4843
NSN 4140-00-528-2921