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 5975-00-661-1832
NSN 5925-01-545-2203
NSN 2925-01-629-9416
NSN 5895-01-449-0364
NSN 4140-01-034-5867
NSN 6620-01-554-6571
NSN 6130-01-449-9877
NSN 5905-00-107-8258
NSN 6130-00-776-5399
NSN 5965-00-267-4173
NSN 5999-01-605-0481
NSN 7035-01-307-5366