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 6650-01-607-7600
NSN 6145-01-508-4095
NSN 5945-01-139-5179
NSN 6145-00-952-9290
NSN 5950-00-188-6249
NSN 5960-01-185-4216
NSN 5905-01-322-4901
NSN 5925-01-444-5274
NSN 5930-00-703-4464
NSN 6105-00-578-8114
NSN 6685-00-948-0928
NSN 5950-01-415-1563