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 5990-01-374-1994
NSN 5935-01-627-2455
NSN 5950-00-518-4457
NSN 5895-01-399-7914
NSN 2925-01-112-8782
NSN 6650-00-327-5846
NSN 6135-01-168-2944
NSN 6130-00-081-7844
NSN 4140-01-463-0172
NSN 6130-01-463-3296
NSN 6130-01-375-3790
NSN 5855-00-548-4742