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 6150-01-192-6752
NSN 5855-01-351-8909
NSN 5920-01-255-6903
NSN 5925-01-594-1873
NSN 6110-01-008-9760
NSN 5975-00-978-2531
NSN 5998-01-370-0107
NSN 5998-01-162-8126
NSN 5910-00-419-0330
NSN 5905-00-170-5571
NSN 6610-01-286-9597
NSN 7035-00-616-4410