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 5985-00-005-0376
NSN 6135-01-415-1163
NSN 5915-00-736-3751
NSN 6610-01-409-1781
NSN 5960-01-063-6846
NSN 5930-01-634-0659
NSN 5999-01-391-4996
NSN 5910-00-551-2442
NSN 6130-00-403-1301
NSN 6130-00-397-7690
NSN 6105-00-859-4809
NSN 4140-01-592-3042