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 6135-00-819-8074
NSN 6110-01-389-5905
NSN 5945-00-643-9759
NSN 6145-00-854-8211
NSN 5895-01-510-1795
NSN 6610-01-481-6885
NSN 5985-00-881-2682
NSN 5990-01-057-4191
NSN 5905-01-623-3375
NSN 2925-01-351-9748
NSN 4140-00-162-6583
NSN 5910-01-383-4894