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 6145-01-152-9013
NSN 6220-01-208-1640
NSN 5895-00-107-7891
NSN 6320-01-084-7456
NSN 6645-01-626-0411
NSN 6145-00-609-2879
NSN 7035-00-731-8729
NSN 6150-01-338-8351
NSN 5930-00-205-2945
NSN 7035-01-525-4268
NSN 5855-00-962-5792
NSN 6650-01-125-4989