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 6650-01-092-2451
NSN 6240-00-532-7770
NSN 6240-00-103-0058
NSN 7035-01-135-0050
NSN 5910-01-444-1429
NSN 6110-01-262-0208
NSN 6240-00-109-5914
NSN 5935-00-620-5867
NSN 5950-01-487-6362
NSN 6110-01-653-3991
NSN 5999-00-005-7098
NSN 5960-00-496-6473