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 5950-01-071-0031
NSN 5950-00-088-9607
NSN 5925-00-198-3689
NSN 5996-00-871-5734
NSN 6620-00-377-9068
NSN 5985-01-420-6536
NSN 5990-01-386-5561
NSN 6320-01-487-0336
NSN 4140-01-377-1265
NSN 6685-00-545-3163
NSN 5925-01-122-1524
NSN 5895-01-140-2134