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 6135-01-327-2092
NSN 6145-01-032-1388
NSN 6645-00-055-2170
NSN 6220-00-255-5652
NSN 5999-01-150-9432
NSN 6610-01-441-8364
NSN 5855-01-499-4139
NSN 6240-00-180-4602
NSN 5920-00-860-0456
NSN 6130-00-399-0729
NSN 5990-01-116-2181
NSN 4140-00-071-2209