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 5999-01-266-7920
NSN 5960-00-894-1190
NSN 6645-01-025-1002
NSN 6650-01-373-1580
NSN 2925-00-837-3948
NSN 5998-01-333-1750
NSN 6650-01-437-8852
NSN 5855-00-548-4742
NSN 6320-00-108-7049
NSN 4140-01-413-4803
NSN 5999-01-025-6686
NSN 5985-01-630-0870