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 6240-01-025-5847
NSN 6240-01-004-3464
NSN 6135-00-271-0407
NSN 5910-01-335-6449
NSN 4140-01-211-8403
NSN 6685-01-442-8036
NSN 5960-00-171-9575
NSN 5905-00-443-1495
NSN 5905-01-007-3560
NSN 6110-00-343-1618
NSN 5999-01-466-6526
NSN 5835-01-628-1748