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 5965-00-164-8092
NSN 6220-01-059-4715
NSN 5950-01-359-1997
NSN 2925-01-027-1293
NSN 5915-00-965-9603
NSN 5835-00-275-0584
NSN 6645-01-395-4129
NSN 5920-01-507-2780
NSN 5855-01-463-1315
NSN 2925-00-614-1758
NSN 6240-00-139-5367
NSN 5945-01-425-0813