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 5895-01-110-0731
NSN 5999-01-329-4008
NSN 6620-01-369-5876
NSN 6645-00-825-5677
NSN 5985-01-321-5084
NSN 2925-01-633-4048
NSN 6685-00-116-6026
NSN 5905-01-127-7571
NSN 5999-01-514-0453
NSN 5998-00-327-8788
NSN 5998-00-000-0177
NSN 5905-01-461-5932