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 5895-01-421-1573
NSN 6110-00-893-9802
NSN 6685-01-292-7874
NSN 5998-01-065-7340
NSN 6240-00-818-1364
NSN 5905-00-627-1095
NSN 5835-00-864-4481
NSN 5925-01-543-5082
NSN 6610-00-244-2816
NSN 5855-01-020-7982
NSN 5915-01-438-6668
NSN 5965-01-605-0090