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 6620-00-993-9564
NSN 6135-01-571-7488
NSN 2925-01-616-3037
NSN 6685-01-443-2080
NSN 6685-00-186-7879
NSN 5835-01-193-6192
NSN 5835-01-408-7576
NSN 6645-01-532-7059
NSN 5905-01-547-2683
NSN 5996-01-239-0385
NSN 5965-00-716-7078
NSN 5960-01-504-3415