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 5985-01-445-9078
NSN 6620-00-474-0605
NSN 5895-01-157-9330
NSN 6240-00-299-9819
NSN 5930-00-262-5176
NSN 6135-01-419-5574
NSN 5965-01-058-1076
NSN 5905-00-482-8006
NSN 5965-01-148-4979
NSN 5925-01-348-0826
NSN 5905-01-360-0603
NSN 6685-00-495-5362