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 5999-01-054-3659
NSN 5985-00-226-6846
NSN 5915-01-085-0562
NSN 6150-01-377-5490
NSN 6645-01-089-6459
NSN 2925-01-097-0903
NSN 2925-01-127-0167
NSN 6320-01-428-9205
NSN 5990-00-174-6695
NSN 6610-01-599-2491
NSN 5998-01-417-4442
NSN 2925-00-631-0548