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 5930-01-112-0157
NSN 5915-00-174-0474
NSN 6240-01-103-5300
NSN 6645-01-529-8822
NSN 5925-01-140-4945
NSN 6610-01-371-3006
NSN 6130-00-890-8180
NSN 6685-01-492-8384
NSN 6110-01-354-7145
NSN 5925-00-615-7071
NSN 6105-00-907-2710
NSN 5999-00-040-9081