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 6650-01-100-6560
NSN 6130-01-497-7505
NSN 6145-00-907-9399
NSN 6135-01-071-4923
NSN 5996-01-642-8912
NSN 4140-01-426-8428
NSN 6220-00-981-9184
NSN 5990-01-465-9235
NSN 6145-01-085-7394
NSN 5910-01-468-6632
NSN 6145-00-542-3987
NSN 5945-01-052-0108