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 6610-01-391-5092
NSN 5925-00-007-3962
NSN 5905-00-227-0117
NSN 6130-01-119-9275
NSN 6110-01-526-9897
NSN 6105-01-074-9074
NSN 6645-01-487-8227
NSN 6105-00-959-5468
NSN 2925-01-231-6312
NSN 4140-01-223-6079
NSN 5960-01-485-2467
NSN 6240-00-470-4662