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 5996-01-139-2843
NSN 5935-01-412-0612
NSN 6320-01-585-8468
NSN 5935-01-444-4236
NSN 6320-01-473-3848
NSN 5945-01-227-2148
NSN 6135-01-142-2417
NSN 7035-00-803-3056
NSN 2925-01-586-4574
NSN 6110-00-051-7949
NSN 6105-01-004-1808
NSN 5910-00-160-7736