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 5996-01-331-6875
NSN 5915-01-222-8698
NSN 6145-01-504-2583
NSN 5950-00-122-8685
NSN 6650-00-397-0372
NSN 5835-01-343-7516
NSN 5895-01-110-0211
NSN 6610-00-766-7923
NSN 6620-00-126-2998
NSN 6110-01-255-5190
NSN 6610-01-027-8736
NSN 6110-00-484-2368