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 5950-00-804-3789
NSN 4140-01-286-2729
NSN 6220-01-085-4947
NSN 5996-01-374-0024
NSN 6110-01-180-3154
NSN 5965-01-167-3495
NSN 5990-00-816-9289
NSN 5855-00-149-0766
NSN 5920-01-435-8597
NSN 6610-01-527-0922
NSN 4140-01-436-0467
NSN 5985-00-128-9645