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 5945-00-944-6913
NSN 6135-01-268-7056
NSN 6650-01-428-2251
NSN 6145-01-421-4257
NSN 5920-00-689-5656
NSN 4140-00-772-0122
NSN 6145-01-317-0631
NSN 5905-01-076-4599
NSN 6105-00-624-5957
NSN 5998-00-390-1502
NSN 6240-00-156-1607
NSN 4140-01-607-1537