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 5930-01-464-4233
NSN 2925-01-429-2235
NSN 5990-00-557-6190
NSN 6620-00-167-3825
NSN 6320-01-554-0901
NSN 5990-01-225-2283
NSN 5965-00-445-1843
NSN 5895-01-069-9153
NSN 5855-01-013-6864
NSN 5915-01-311-5416
NSN 5996-01-519-7548
NSN 6645-01-421-4007