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 6650-01-322-4415
NSN 6145-01-370-1242
NSN 6685-00-642-0533
NSN 2925-00-989-0523
NSN 5965-01-603-0118
NSN 6145-01-471-7901
NSN 4140-01-339-7142
NSN 6130-01-446-6252
NSN 5835-00-841-2650
NSN 5950-01-652-2646
NSN 6105-01-147-5170
NSN 6110-01-627-3971