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 5985-01-252-8164
NSN 5905-01-014-0697
NSN 6220-01-400-0637
NSN 5985-01-332-2892
NSN 7035-01-633-9537
NSN 6650-00-035-9297
NSN 6105-00-871-7526
NSN 6685-00-977-4444
NSN 6645-01-542-1472
NSN 2925-01-484-8556
NSN 6110-00-649-7313
NSN 6645-00-106-0140