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 2925-01-069-5324
NSN 4140-01-119-2879
NSN 6220-00-932-3622
NSN 5835-00-711-3371
NSN 5905-01-256-9714
NSN 5945-01-474-5583
NSN 5999-01-160-4206
NSN 5998-01-596-8658
NSN 6105-01-315-9840
NSN 6105-01-133-6941
NSN 5835-01-123-4526
NSN 5960-01-599-9821