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 7035-01-266-3490
NSN 4140-01-561-1987
NSN 5965-00-479-9567
NSN 5855-01-423-1768
NSN 6650-01-413-7979
NSN 6685-00-587-8158
NSN 6110-00-411-5830
NSN 5965-00-342-5126
NSN 6620-00-538-8746
NSN 5905-01-326-2783
NSN 5905-00-498-5482
NSN 6150-00-686-8322