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 4140-00-260-9521
NSN 6645-01-025-1002
NSN 6220-01-052-0484
NSN 5910-01-570-3948
NSN 5975-01-478-8151
NSN 5925-00-332-9957
NSN 6105-01-379-1825
NSN 5999-01-364-3466
NSN 5996-00-305-2827
NSN 6610-01-265-0999
NSN 5905-01-352-5824
NSN 5930-01-506-4926