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 5945-01-534-0077
NSN 5855-01-201-4857
NSN 6620-00-337-5610
NSN 2925-00-785-9328
NSN 6110-01-476-8442
NSN 5905-01-339-0894
NSN 6645-00-596-5388
NSN 6150-01-027-3994
NSN 5990-00-121-2134
NSN 5999-00-686-2977
NSN 6610-00-186-9164
NSN 6610-00-622-6227