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 5998-01-555-8005
NSN 4140-01-656-0158
NSN 5925-01-630-5817
NSN 5996-00-413-0878
NSN 5915-01-539-7634
NSN 6645-00-440-5635
NSN 6220-01-401-5337
NSN 6650-01-359-8537
NSN 5945-00-116-2714
NSN 4140-01-237-8569
NSN 5990-00-884-1743
NSN 5990-01-633-9503