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 6105-01-304-0172
NSN 6320-00-682-3448
NSN 5855-01-288-2271
NSN 6135-01-604-8739
NSN 5945-00-142-0005
NSN 5935-01-238-5660
NSN 6240-00-802-8811
NSN 5990-01-025-7466
NSN 6650-00-866-7060
NSN 5910-01-633-8960
NSN 5950-01-415-0276
NSN 6130-01-190-7052