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 5950-01-286-2175
NSN 5945-00-050-0071
NSN 5910-01-309-8039
NSN 5935-01-410-7435
NSN 5996-01-204-4450
NSN 5950-01-182-8321
NSN 5975-01-008-7807
NSN 5835-00-440-9049
NSN 6110-01-280-5390
NSN 6240-00-477-3027
NSN 6145-00-919-4232
NSN 6240-01-633-9357