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 6135-00-050-7189
NSN 5999-01-590-9185
NSN 2925-01-550-0177
NSN 6610-01-078-0728
NSN 5999-01-430-7175
NSN 6110-00-156-6468
NSN 5996-01-120-0792
NSN 5965-01-378-7096
NSN 6685-01-577-8061
NSN 5915-01-101-9592
NSN 5925-01-455-9314
NSN 6130-00-307-4181