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 5990-00-977-9261
NSN 5925-01-204-8583
NSN 5935-00-100-1147
NSN 5925-00-549-5825
NSN 6685-01-188-7379
NSN 5965-01-388-5296
NSN 5895-01-234-0861
NSN 4140-01-389-8850
NSN 6320-01-326-1316
NSN 6620-01-644-3496
NSN 6145-00-187-6405
NSN 5920-01-283-2611