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 5945-01-357-0128
NSN 5925-01-335-1908
NSN 5855-00-138-2386
NSN 4140-01-374-8467
NSN 6645-01-614-4838
NSN 5965-00-289-6280
NSN 4140-00-699-0904
NSN 5935-01-421-4418
NSN 6105-00-826-1359
NSN 5920-01-622-8453
NSN 5950-01-367-4516
NSN 6685-01-188-0249