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 5910-01-476-7528
NSN 6150-00-499-9716
NSN 6135-00-321-6707
NSN 5935-00-223-9595
NSN 5975-00-117-5630
NSN 2925-01-197-7864
NSN 6145-01-470-3933
NSN 6650-01-183-0711
NSN 4140-00-621-2271
NSN 6610-01-527-2395
NSN 2925-01-543-0073
NSN 5985-01-222-8462