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 5930-01-054-3495
NSN 6240-01-224-7656
NSN 5920-00-925-2639
NSN 4140-00-832-3286
NSN 5935-01-021-9230
NSN 6105-01-412-0811
NSN 5925-00-844-4132
NSN 5960-01-602-6009
NSN 6320-00-110-8005
NSN 5925-01-147-5368
NSN 6645-01-027-3838
NSN 6610-00-186-9180