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 5920-00-431-5474
NSN 5925-00-212-4901
NSN 6145-01-634-0388
NSN 5965-01-191-0735
NSN 6150-01-148-2106
NSN 6240-01-550-5158
NSN 5895-01-123-0005
NSN 6610-01-343-2609
NSN 6240-01-565-6276
NSN 5965-01-039-1430
NSN 5945-01-215-6714
NSN 5925-00-965-8497