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 5925-01-305-8589
NSN 6135-01-582-2589
NSN 5920-00-468-3074
NSN 5925-01-332-6524
NSN 6145-00-853-3355
NSN 6145-01-484-5126
NSN 5996-01-358-6528
NSN 5960-01-167-8796
NSN 5985-01-185-6613
NSN 5935-01-522-2852
NSN 6110-00-581-4445
NSN 6620-01-534-7180