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 5925-00-020-7920
NSN 5998-01-596-6881
NSN 5945-01-608-9980
NSN 2925-01-345-9439
NSN 6320-01-261-2760
NSN 5998-00-541-8792
NSN 6135-01-252-0315
NSN 5985-00-177-8635
NSN 6135-01-383-0151
NSN 5855-00-079-2370
NSN 5985-01-399-6843
NSN 5905-01-634-0595