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 5996-00-205-2933
NSN 5998-01-213-1733
NSN 6150-00-209-8026
NSN 5990-01-423-8189
NSN 6220-01-577-4517
NSN 5935-01-574-3298
NSN 5965-01-237-3342
NSN 5925-00-466-7308
NSN 5905-01-075-0334
NSN 5925-01-011-6551
NSN 6320-01-280-5091
NSN 6105-01-391-7124