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 5975-01-143-5358
NSN 6240-00-443-8000
NSN 6240-01-315-9303
NSN 7035-00-703-3535
NSN 5935-01-275-7289
NSN 5996-01-519-2804
NSN 5905-01-512-1898
NSN 6130-01-057-5586
NSN 6150-01-100-4337
NSN 6110-01-347-4631
NSN 6150-00-179-9876
NSN 7035-00-541-8516