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 5935-01-343-0255
NSN 5835-01-055-2327
NSN 6105-00-166-6845
NSN 5960-00-818-3504
NSN 6220-00-240-3300
NSN 5985-01-485-9729
NSN 5920-00-291-1379
NSN 6645-01-287-9969
NSN 6220-00-822-4426
NSN 6130-01-545-8378
NSN 5990-01-378-7349
NSN 5925-00-147-0749