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 6685-00-188-1991
NSN 5835-00-958-6231
NSN 5925-00-988-6837
NSN 6135-01-441-0518
NSN 6220-00-827-0227
NSN 6110-01-085-2899
NSN 5996-00-172-7553
NSN 5835-00-624-1548
NSN 5998-01-415-1208
NSN 5925-01-416-4430
NSN 5935-01-313-2457
NSN 6220-01-020-8703