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 5996-00-240-0010
NSN 5996-01-253-2799
NSN 5950-00-547-3690
NSN 5930-01-203-0350
NSN 6685-01-528-8958
NSN 6220-00-528-7752
NSN 5985-01-617-1556
NSN 5999-01-026-2557
NSN 6130-00-998-1610
NSN 6610-01-370-8748
NSN 5920-00-099-0737
NSN 5925-00-179-8327