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 6220-01-550-4663
NSN 6610-00-881-5060
NSN 5985-00-554-4599
NSN 5895-00-318-1502
NSN 5855-00-014-5008
NSN 5975-01-548-9492
NSN 5920-01-365-3981
NSN 6145-01-523-8049
NSN 5925-00-205-2767
NSN 6320-01-366-5157
NSN 6650-01-254-4288
NSN 6610-01-454-6582