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 6130-01-449-0782
NSN 5835-00-170-5238
NSN 5990-01-113-8121
NSN 5998-01-151-0871
NSN 6145-01-448-7281
NSN 5910-01-025-1247
NSN 6105-01-648-2644
NSN 5998-00-455-0711
NSN 5960-00-400-2222
NSN 5945-00-971-4282
NSN 5965-00-285-0745
NSN 5925-01-416-5603