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 5915-00-892-3011
NSN 4140-00-814-5987
NSN 5998-01-174-0505
NSN 5975-01-123-9111
NSN 5910-01-485-8128
NSN 5925-00-561-0677
NSN 5945-01-624-5630
NSN 6105-00-138-9265
NSN 5945-01-215-1190
NSN 6610-00-484-0360
NSN 2925-01-190-9352
NSN 5999-01-541-4178