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 6135-01-190-2628
NSN 6645-01-016-1306
NSN 4140-00-876-9285
NSN 6135-01-122-4448
NSN 5915-00-420-1557
NSN 2925-01-330-2988
NSN 6105-00-953-0470
NSN 5910-01-434-5732
NSN 6320-01-067-0474
NSN 5910-00-737-1617
NSN 5975-00-233-9872
NSN 5960-01-549-4826