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 5999-01-613-8310
NSN 6130-01-250-4387
NSN 5960-00-340-3120
NSN 5999-00-409-3195
NSN 5925-01-051-1239
NSN 5990-00-933-0526
NSN 5920-01-166-4001
NSN 6645-00-795-5565
NSN 6620-01-386-5543
NSN 5925-00-126-6660
NSN 6105-01-045-3973
NSN 6150-01-358-5030