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 6110-01-383-6517
NSN 5835-01-171-5368
NSN 6135-01-411-3212
NSN 5998-01-606-2186
NSN 5985-01-492-5943
NSN 5960-01-498-0572
NSN 5945-01-172-1353
NSN 4140-00-247-0613
NSN 5965-00-469-5009
NSN 6150-01-312-1867
NSN 6610-00-536-4977
NSN 5935-00-988-1066