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 5975-01-538-7255
NSN 6610-00-716-5248
NSN 5925-01-321-8829
NSN 6145-00-669-5966
NSN 4140-00-400-9176
NSN 6150-00-132-8997
NSN 2925-01-032-3814
NSN 5930-01-076-3683
NSN 6135-00-027-3914
NSN 5920-01-133-5286
NSN 5915-01-437-8801
NSN 5945-01-437-2696