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 5999-01-133-7479
NSN 4140-01-106-2559
NSN 5998-01-493-7822
NSN 5925-00-186-0765
NSN 6105-00-932-3627
NSN 5910-00-824-2456
NSN 6685-01-131-6497
NSN 5965-00-729-6835
NSN 5930-01-652-5312
NSN 5996-00-147-4120
NSN 6220-01-143-5761
NSN 6610-01-100-3662