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 5910-00-928-1646
NSN 2925-00-147-3801
NSN 2925-01-111-2927
NSN 5945-01-613-9341
NSN 5985-01-519-0115
NSN 6130-00-547-8050
NSN 5996-00-960-9494
NSN 5950-01-333-4926
NSN 6130-00-914-8831
NSN 2925-01-609-8464
NSN 4140-01-384-4143
NSN 5998-01-463-6930