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 5930-01-068-2710
NSN 5915-01-536-4392
NSN 5965-00-253-1302
NSN 5930-01-012-0151
NSN 5895-00-999-4332
NSN 6645-01-408-0011
NSN 6610-00-277-7206
NSN 5835-01-495-0595
NSN 5999-00-276-4837
NSN 5996-01-207-9107
NSN 5996-01-281-7336
NSN 5975-01-295-1619