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 6645-01-428-3576
NSN 5920-01-023-0040
NSN 7035-01-573-5284
NSN 5960-01-564-5044
NSN 5965-01-209-2838
NSN 5975-00-211-7124
NSN 5996-00-003-3559
NSN 5950-01-371-2588
NSN 6650-01-446-6646
NSN 6320-00-564-2772
NSN 6130-00-724-2516
NSN 5910-01-350-0667