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 5990-01-621-6969
NSN 6130-00-903-5670
NSN 5975-01-434-1482
NSN 5996-01-004-7832
NSN 6620-01-488-9547
NSN 7035-01-185-6500
NSN 5905-00-479-1336
NSN 5945-01-267-9734
NSN 5935-00-031-2939
NSN 5925-01-337-3336
NSN 5945-01-554-8374
NSN 5945-01-519-2369