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 5905-01-004-5526
NSN 5945-00-866-6396
NSN 6135-01-128-5358
NSN 5965-00-523-5647
NSN 5990-01-514-8708
NSN 5945-01-013-9311
NSN 5835-01-480-9215
NSN 6145-01-257-1672
NSN 5996-01-197-1688
NSN 6145-01-598-9912
NSN 6620-01-212-8089
NSN 5835-00-034-4976