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 5999-01-509-4927
NSN 6620-01-540-8144
NSN 6650-01-275-0945
NSN 5960-01-102-5164
NSN 7035-01-093-7216
NSN 6135-01-546-4588
NSN 6105-01-261-6681
NSN 5835-00-986-5985
NSN 6610-00-161-7439
NSN 6105-01-070-8625
NSN 5855-01-411-0189
NSN 5935-01-381-5791