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 6645-01-557-3159
NSN 5965-00-953-0072
NSN 6610-00-956-4464
NSN 5996-01-398-4755
NSN 5999-00-290-5898
NSN 6130-01-556-9367
NSN 6130-01-027-2839
NSN 5965-01-193-5221
NSN 5996-00-779-8349
NSN 4140-00-170-5152
NSN 6240-01-440-6665
NSN 5990-01-351-4621