A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 4140-00-725-7023
NSN 5910-01-122-6415
NSN 5950-00-889-5888
NSN 5895-00-586-1068
NSN 6685-00-451-6941
NSN 4140-00-544-1517
NSN 5855-01-203-4719
NSN 5975-01-538-4834
NSN 6240-00-660-8849
NSN 6645-01-621-8564
NSN 5999-01-090-0664
NSN 5975-00-152-1148