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 6220-01-329-3446
NSN 6320-01-236-9562
NSN 5935-01-581-5605
NSN 6645-00-985-5543
NSN 5996-00-943-7240
NSN 6320-01-331-6947
NSN 6685-01-464-3766
NSN 5960-01-435-1167
NSN 5990-01-388-0252
NSN 2925-00-190-5561
NSN 5835-01-346-1386
NSN 5999-01-390-2012