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 5960-01-503-0362
NSN 5990-01-184-2550
NSN 5998-01-192-9064
NSN 5998-01-442-7059
NSN 4140-00-613-9209
NSN 6110-00-928-5986
NSN 2925-01-285-7163
NSN 5905-01-003-8565
NSN 6135-00-152-8729
NSN 6685-01-046-1332
NSN 5895-01-307-3921
NSN 2925-01-426-3410