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 6135-00-078-9931
NSN 5925-01-541-7075
NSN 6645-01-434-8468
NSN 6130-00-005-1633
NSN 5910-00-337-8292
NSN 5960-01-380-9692
NSN 6145-01-370-1242
NSN 6150-00-374-9318
NSN 5985-01-521-3694
NSN 5950-00-538-2806
NSN 5965-00-469-5009
NSN 5998-00-832-7937