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 5910-00-276-8592
NSN 5905-00-052-9616
NSN 5925-01-619-9290
NSN 6610-01-100-3662
NSN 6685-01-056-5283
NSN 5895-01-321-4664
NSN 5950-00-924-6247
NSN 6105-00-248-5772
NSN 6620-00-646-9474
NSN 5960-01-408-3702
NSN 5996-01-145-2784
NSN 5945-00-683-5404