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 6620-00-589-0071
NSN 5975-01-355-1189
NSN 5999-01-194-2219
NSN 2925-01-300-6602
NSN 6130-00-918-8371
NSN 5985-01-441-2285
NSN 5935-01-134-1307
NSN 5935-01-196-9765
NSN 5930-00-105-2097
NSN 6145-01-085-5556
NSN 5930-00-074-3716
NSN 6145-01-447-1701