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 5960-00-508-1913
NSN 5950-01-512-6093
NSN 6110-01-656-1611
NSN 7035-01-477-0501
NSN 6150-01-242-4491
NSN 5999-01-139-5975
NSN 6135-01-368-0960
NSN 5996-01-485-6541
NSN 5930-01-437-3539
NSN 5975-00-421-9774
NSN 5930-01-100-2577
NSN 5998-01-509-2370