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 2925-00-891-9289
NSN 5990-00-258-0228
NSN 6105-01-444-1201
NSN 5975-01-501-4926
NSN 5925-01-452-0397
NSN 6145-01-254-1419
NSN 6620-01-279-4353
NSN 6110-00-212-9130
NSN 5910-01-429-9038
NSN 5910-00-064-3199
NSN 4140-01-334-9043
NSN 5985-01-508-4226