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 6620-01-448-1423
NSN 5915-01-264-3043
NSN 6145-01-343-9854
NSN 5975-00-947-3068
NSN 5950-01-091-9589
NSN 5998-00-404-0473
NSN 6220-00-898-7311
NSN 6145-01-503-8534
NSN 6610-00-018-1416
NSN 5965-00-387-6880
NSN 4140-01-450-5168
NSN 5975-00-925-1197