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 5965-00-275-0491
NSN 6685-01-417-9594
NSN 5960-01-619-9361
NSN 6105-00-088-4626
NSN 6240-00-082-1142
NSN 5990-00-578-6254
NSN 5960-01-175-7309
NSN 6145-00-757-2742
NSN 5935-00-959-3122
NSN 5925-01-508-0905
NSN 5930-00-597-2584
NSN 5990-00-029-9064