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 7035-01-265-2301
NSN 5950-01-500-1369
NSN 5990-01-131-9055
NSN 7035-01-464-1213
NSN 6620-00-229-2728
NSN 6240-01-191-5643
NSN 6620-01-446-6571
NSN 5930-01-276-9580
NSN 6320-01-434-6861
NSN 6610-01-440-4314
NSN 6685-00-918-3282
NSN 5855-01-287-6391