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 6135-01-190-2628
NSN 5996-01-208-4065
NSN 5999-01-653-3319
NSN 4140-01-093-8110
NSN 5835-00-034-4976
NSN 5920-01-651-5136
NSN 5935-01-513-7906
NSN 4140-01-439-3329
NSN 5996-00-243-6571
NSN 6105-01-313-2564
NSN 6105-01-137-9274
NSN 6240-01-152-2662