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 5990-00-578-6442
NSN 5835-01-384-3206
NSN 5990-01-095-8866
NSN 5996-00-254-2147
NSN 5996-01-046-4544
NSN 5905-01-164-5453
NSN 5990-00-251-8244
NSN 5975-00-553-7151
NSN 5930-01-471-7659
NSN 5945-01-580-3324
NSN 6645-01-583-8153
NSN 6220-01-276-2102