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 6240-01-460-0331
NSN 6320-01-411-6610
NSN 5965-01-646-1122
NSN 5855-01-608-6492
NSN 5945-00-024-2319
NSN 5920-01-578-4335
NSN 5920-01-519-3521
NSN 6145-00-840-8449
NSN 5905-00-598-3700
NSN 5915-00-658-2689
NSN 5965-01-220-0529
NSN 5910-01-503-1642