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 6645-00-955-7997
NSN 6150-01-131-8437
NSN 6645-00-256-4072
NSN 7035-00-870-0290
NSN 5930-00-185-5142
NSN 5930-01-290-3321
NSN 5996-01-117-6882
NSN 5998-01-118-5645
NSN 6650-01-422-1037
NSN 5855-01-546-9423
NSN 5930-00-892-1668
NSN 5960-00-644-4982