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 5990-00-162-7273
NSN 5915-00-518-1644
NSN 5835-00-624-1548
NSN 2925-01-132-5827
NSN 2925-01-109-3684
NSN 5965-01-535-0718
NSN 5855-01-149-4110
NSN 5905-01-625-9210
NSN 5930-01-106-3686
NSN 5855-00-361-0167
NSN 6620-01-275-2781
NSN 6110-00-407-6829