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 5965-01-503-0699
NSN 5855-01-041-9392
NSN 5965-01-421-9593
NSN 5975-00-247-9670
NSN 5996-01-380-1867
NSN 7035-01-473-3223
NSN 6645-01-342-8795
NSN 5935-00-421-6112
NSN 5998-00-948-2011
NSN 5950-00-276-8133
NSN 5999-01-409-2834
NSN 6105-01-576-6424