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 6240-01-499-4267
NSN 5950-01-539-8323
NSN 5960-01-302-7583
NSN 5999-01-244-7398
NSN 6645-01-229-7749
NSN 5990-01-540-1619
NSN 6650-00-229-3790
NSN 6220-00-837-2649
NSN 6150-00-140-2508
NSN 6220-01-207-8068
NSN 5985-00-400-3689
NSN 5950-01-014-2301