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 5945-01-123-9481
NSN 5965-00-897-5560
NSN 5930-00-629-0592
NSN 5965-00-594-3115
NSN 5945-01-088-5940
NSN 6240-00-799-1528
NSN 6220-00-364-1605
NSN 5855-01-359-8592
NSN 6135-00-276-7625
NSN 5950-01-161-7368
NSN 5996-01-578-3757
NSN 6645-00-961-5477