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 6320-01-513-9166
NSN 6610-01-520-5124
NSN 5985-01-349-6550
NSN 5950-00-719-7470
NSN 6135-01-187-0033
NSN 5935-01-296-4669
NSN 6685-00-920-8281
NSN 5960-01-536-9763
NSN 5998-01-217-4593
NSN 5920-01-544-1565
NSN 5910-00-637-2609
NSN 5985-01-027-1829