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 5910-01-627-6657
NSN 5930-01-161-0756
NSN 5945-01-021-0777
NSN 5915-01-068-7802
NSN 5855-01-040-3881
NSN 2925-01-656-8217
NSN 5915-01-056-5141
NSN 6105-00-753-7458
NSN 5965-01-055-7645
NSN 6220-00-271-4639
NSN 5985-01-200-1739
NSN 6220-01-197-7680