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 5915-01-408-4655
NSN 5985-01-099-4346
NSN 5950-00-501-9448
NSN 6145-01-557-3355
NSN 6135-00-377-9165
NSN 5920-01-246-0706
NSN 5930-00-036-0381
NSN 6685-01-409-2748
NSN 5915-00-012-8599
NSN 5996-00-625-5410
NSN 6685-00-008-6268
NSN 5985-01-142-8735