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 6610-01-526-0555
NSN 5935-00-230-9587
NSN 6650-00-945-3098
NSN 6240-00-729-9696
NSN 5985-00-836-0641
NSN 4140-01-400-2719
NSN 5905-00-767-4480
NSN 5998-01-108-3415
NSN 5996-00-578-9092
NSN 6240-00-826-8426
NSN 6620-01-286-2204
NSN 4140-00-307-2732