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 5935-01-088-7072
NSN 5835-01-111-9838
NSN 5975-01-242-4294
NSN 5905-01-623-9084
NSN 6645-00-489-8575
NSN 5935-00-193-3080
NSN 5990-01-360-0711
NSN 5835-01-416-6449
NSN 6320-01-202-8761
NSN 6240-00-891-1508
NSN 5975-00-056-8600
NSN 5998-00-847-8225