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 5998-01-142-1765
NSN 2925-01-480-3351
NSN 6650-00-361-8222
NSN 5925-01-428-1674
NSN 5855-01-578-1396
NSN 5975-01-441-3156
NSN 6145-00-061-0102
NSN 5950-01-320-4406
NSN 6610-01-442-3482
NSN 5935-01-358-3428
NSN 5905-01-634-0595
NSN 5996-01-412-0813