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 5975-01-472-4928
NSN 5965-01-423-8543
NSN 6105-01-487-5072
NSN 6150-01-420-7484
NSN 5855-01-072-0410
NSN 6620-01-630-3494
NSN 5905-01-352-0974
NSN 6150-00-117-4284
NSN 5996-01-267-2791
NSN 6145-01-108-6401
NSN 6610-01-146-0331
NSN 4140-01-391-9994