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 2925-01-090-2391
NSN 6620-01-102-0008
NSN 5905-01-406-2720
NSN 5998-01-587-9969
NSN 5925-01-175-6082
NSN 4140-01-321-9085
NSN 5990-00-529-8767
NSN 5950-00-657-4769
NSN 5985-01-297-7619
NSN 6650-00-490-2637
NSN 6610-00-953-9670
NSN 5835-01-360-1058