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 6620-00-932-4306
NSN 6145-01-341-9605
NSN 5950-00-415-8179
NSN 5985-00-138-6022
NSN 6145-00-815-7154
NSN 6110-01-433-2694
NSN 6650-01-483-0938
NSN 6240-01-564-6525
NSN 6220-00-287-9939
NSN 6685-01-014-8548
NSN 5950-00-903-6189
NSN 5905-01-182-9293