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 6105-01-422-3411
NSN 6610-01-266-0493
NSN 6610-01-436-6884
NSN 5975-01-477-8787
NSN 5990-01-180-7365
NSN 5985-00-506-2495
NSN 5945-01-344-8943
NSN 6130-00-885-1425
NSN 5925-01-505-2768
NSN 6240-01-426-5581
NSN 6145-00-154-1360
NSN 5965-01-122-7477