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 2925-01-556-0333
NSN 5930-00-581-8132
NSN 5905-01-423-0572
NSN 6220-00-979-0177
NSN 5960-00-581-9719
NSN 5835-00-155-1379
NSN 6135-01-498-2233
NSN 6645-00-825-5677
NSN 6645-00-715-1531
NSN 4140-01-072-0729
NSN 5960-00-296-7326
NSN 2925-01-235-7507