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 6645-01-418-1657
NSN 5965-00-548-9656
NSN 6620-00-361-3590
NSN 6650-00-784-9222
NSN 6110-01-322-6428
NSN 6320-01-209-0952
NSN 6240-01-612-0930
NSN 5998-01-238-5250
NSN 6130-00-224-8830
NSN 5996-01-014-5852
NSN 5960-01-361-6543
NSN 6135-00-862-5736