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 6320-01-230-8444
NSN 6145-00-990-2066
NSN 5915-01-375-1581
NSN 5835-01-283-9691
NSN 5835-00-170-5238
NSN 4140-01-304-0132
NSN 5915-00-579-0618
NSN 5975-01-113-2448
NSN 5925-01-053-6519
NSN 6610-01-354-7963
NSN 6645-01-010-3746
NSN 6150-00-967-6904