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 6320-01-089-9086
NSN 5915-01-579-7770
NSN 5985-00-826-1735
NSN 5998-00-103-2606
NSN 5915-01-130-1506
NSN 6645-01-147-4603
NSN 5996-00-788-7670
NSN 6145-01-342-6322
NSN 5935-00-150-2929
NSN 2925-01-376-9236
NSN 4140-01-613-8430
NSN 5996-00-269-0552