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 2925-01-633-0225
NSN 6685-01-443-1564
NSN 5905-01-580-3525
NSN 6620-00-043-6082
NSN 5905-01-116-2689
NSN 6240-00-250-8693
NSN 6610-00-186-9180
NSN 6105-01-385-3185
NSN 6320-00-098-2858
NSN 6620-01-124-0947
NSN 6135-01-561-5945
NSN 2925-00-428-6349