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 5905-01-191-2000
NSN 6645-01-076-4655
NSN 5895-01-515-3991
NSN 5965-00-187-5523
NSN 5835-00-779-2836
NSN 6620-00-019-5499
NSN 6105-01-006-7069
NSN 5998-01-333-0243
NSN 5915-00-835-2789
NSN 5920-01-050-7474
NSN 5990-01-014-1280
NSN 6320-01-352-8084