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 5975-01-198-6043
NSN 6685-01-487-0742
NSN 4140-00-081-6814
NSN 7035-00-286-6221
NSN 5945-01-203-1554
NSN 6610-01-644-2546
NSN 5998-01-055-6043
NSN 5930-01-442-6723
NSN 5975-01-262-5823
NSN 4140-01-595-5285
NSN 6610-00-962-3723
NSN 6110-00-734-9982