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 6645-01-442-6476
NSN 5895-00-452-7134
NSN 5985-00-067-7251
NSN 5920-01-230-9572
NSN 5835-01-495-0595
NSN 4140-01-367-5824
NSN 6220-01-116-2411
NSN 5905-01-517-7416
NSN 6650-01-243-1626
NSN 6150-00-200-7644
NSN 4140-01-463-8749
NSN 6645-00-171-9639