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 5935-01-134-3539
NSN 5965-01-472-7092
NSN 6105-00-303-9756
NSN 5996-01-356-2203
NSN 6110-01-271-4508
NSN 6145-00-006-8438
NSN 5935-01-327-0960
NSN 5905-00-923-6552
NSN 5950-01-004-9326
NSN 6645-00-410-2395
NSN 5915-00-980-8072
NSN 6220-00-284-3220