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 6150-01-634-0575
NSN 6220-01-019-4090
NSN 6150-00-202-9150
NSN 5895-00-267-7430
NSN 6620-00-133-8415
NSN 6620-01-631-5936
NSN 5975-01-277-8257
NSN 5960-01-588-5681
NSN 5855-00-790-6197
NSN 6645-01-629-9657
NSN 6110-00-185-8147
NSN 5975-01-197-1923