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 5990-01-291-0600
NSN 5935-00-085-7755
NSN 5915-01-373-8252
NSN 6130-01-147-4638
NSN 4140-01-123-6066
NSN 6650-01-237-4689
NSN 6320-00-636-0922
NSN 6645-01-408-6568
NSN 6105-01-155-4996
NSN 5855-00-821-7512
NSN 5996-00-059-2407
NSN 4140-01-031-0286