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 6685-01-623-0245
NSN 4140-00-724-2638
NSN 6645-01-089-6459
NSN 5895-00-477-1446
NSN 6145-01-527-6034
NSN 5996-00-126-6139
NSN 6110-00-245-6005
NSN 5999-01-011-4333
NSN 6650-01-015-2604
NSN 5855-01-451-6430
NSN 5895-00-864-4696
NSN 5945-01-129-3253