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 5945-01-310-3277
NSN 2925-01-236-3547
NSN 5999-00-644-3412
NSN 6145-01-328-7991
NSN 6145-01-043-7007
NSN 6645-00-148-8081
NSN 6685-00-775-7579
NSN 5999-00-143-6978
NSN 6320-01-291-4870
NSN 6620-01-194-8281
NSN 6240-01-484-3019
NSN 6145-00-076-9324