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 4140-01-589-0141
NSN 6145-00-498-2738
NSN 6240-01-382-3756
NSN 5925-01-179-4774
NSN 6650-01-135-5625
NSN 5895-01-525-8995
NSN 5950-01-013-7155
NSN 5910-01-238-3415
NSN 5985-01-177-9160
NSN 5945-01-554-2724
NSN 5996-01-047-0087
NSN 5960-01-289-5272