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 5985-01-252-8822
NSN 4140-00-762-9384
NSN 5965-01-541-0879
NSN 5999-00-269-5320
NSN 6105-00-689-3490
NSN 2925-01-231-6312
NSN 5910-01-532-4231
NSN 5935-00-366-0085
NSN 5945-01-275-1493
NSN 5985-00-422-5337
NSN 5935-00-648-3298
NSN 6220-01-416-1744