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 6135-01-202-8113
NSN 6685-01-267-5726
NSN 5950-00-010-7686
NSN 6240-01-304-2549
NSN 5925-01-418-9844
NSN 5935-01-272-7859
NSN 6620-01-478-2962
NSN 6610-01-033-1748
NSN 5905-00-321-4636
NSN 6240-00-287-1988
NSN 5965-00-539-4163
NSN 6145-01-383-3462