Item 1
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 5895-01-311-6020
NSN 5935-01-508-2372
NSN 6105-01-495-1492
NSN 5996-00-683-5176
NSN 6145-01-288-2154
NSN 5960-01-599-9821
NSN 7035-00-162-5487
NSN 5835-01-294-5753
NSN 7035-01-174-7878
NSN 5855-01-382-8725
NSN 5999-01-461-7651
NSN 6135-01-268-2152