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 5945-01-136-0145
NSN 6320-01-592-6248
NSN 5998-01-368-3025
NSN 6150-01-417-1138
NSN 6620-01-053-6650
NSN 6610-00-518-4919
NSN 5990-01-052-5970
NSN 6110-00-253-1881
NSN 6145-01-168-1070
NSN 6135-01-429-9029
NSN 5925-01-025-7008
NSN 6130-00-988-8709