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 6685-01-572-7860
NSN 5998-00-513-4781
NSN 5945-01-451-7457
NSN 5965-01-523-8737
NSN 6220-01-371-3430
NSN 5960-00-052-3289
NSN 5998-00-599-3754
NSN 5975-01-432-3650
NSN 5930-01-331-0907
NSN 5998-01-421-2746
NSN 5999-01-393-2017
NSN 6645-01-187-6997