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 4140-01-398-9118
NSN 5905-00-810-9539
NSN 5999-01-329-9658
NSN 5990-01-411-5930
NSN 5996-00-844-6227
NSN 6685-01-083-6328
NSN 6645-00-113-4441
NSN 5950-00-254-2899
NSN 5975-01-056-6771
NSN 6130-01-210-0498
NSN 2925-00-788-0043
NSN 6685-01-422-2229