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 4140-01-172-8793
NSN 6610-01-261-0648
NSN 6650-00-554-1457
NSN 5999-01-196-5433
NSN 6650-01-486-6099
NSN 5999-00-094-0854
NSN 5975-00-348-7427
NSN 5945-01-299-7846
NSN 6145-00-811-4606
NSN 5925-01-492-7566
NSN 6650-01-445-5394
NSN 4140-00-482-7148