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 6145-01-460-5661
NSN 6320-00-809-5744
NSN 6240-00-939-7859
NSN 5915-01-538-1753
NSN 5895-01-508-3403
NSN 5895-00-998-1199
NSN 7035-01-247-6256
NSN 5935-01-250-6840
NSN 6135-01-265-1384
NSN 5975-01-179-7728
NSN 6150-00-737-8809
NSN 5945-01-459-8503