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 5996-01-586-7787
NSN 5835-01-036-4951
NSN 5930-01-147-9941
NSN 5910-00-153-2609
NSN 5930-00-096-9678
NSN 5985-01-147-5470
NSN 6240-01-461-9635
NSN 6135-00-973-5632
NSN 6650-01-412-1040
NSN 6620-01-474-4951
NSN 6610-01-463-5368
NSN 6135-01-326-2536