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 6150-01-434-5137
NSN 6145-01-227-0659
NSN 5985-01-206-2434
NSN 6645-01-525-7493
NSN 5920-01-651-9559
NSN 6135-00-422-3967
NSN 6145-01-357-6288
NSN 6110-00-111-7027
NSN 5996-01-256-6673
NSN 5999-01-057-7334
NSN 5925-00-847-7725
NSN 6240-00-865-3257