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 6645-01-146-3323
NSN 5925-01-303-7595
NSN 5975-01-135-5954
NSN 6685-01-170-6764
NSN 2925-01-633-0225
NSN 6645-01-084-9074
NSN 6240-00-115-5044
NSN 5945-00-253-5200
NSN 6620-01-052-2773
NSN 4140-01-191-4771
NSN 5925-00-539-8372
NSN 5950-01-371-9809