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 5950-01-291-9147
NSN 5930-00-430-7041
NSN 5835-00-723-2505
NSN 5895-01-508-5966
NSN 5835-00-233-6327
NSN 4140-01-056-4453
NSN 6650-01-506-5636
NSN 5925-00-119-8654
NSN 6320-00-358-1946
NSN 5975-01-278-3762
NSN 6150-00-477-5294
NSN 6150-00-929-8331