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 5855-01-491-0140
NSN 2925-01-606-3201
NSN 6110-00-659-3348
NSN 6650-01-500-1756
NSN 6110-00-100-4775
NSN 6610-00-283-2592
NSN 5950-01-163-4040
NSN 5996-00-661-1151
NSN 6620-01-540-4298
NSN 5895-00-574-5547
NSN 5985-01-145-2810
NSN 5905-01-220-3443