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 5996-01-010-3816
NSN 4140-01-186-3977
NSN 6685-01-558-8477
NSN 6620-01-043-6424
NSN 5915-01-260-1643
NSN 6150-01-208-0166
NSN 2925-00-441-8252
NSN 5905-01-408-7477
NSN 5975-01-462-6508
NSN 5998-01-197-0727
NSN 6645-00-879-3867
NSN 6130-00-044-4281