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 5945-00-436-6264
NSN 2925-00-134-4827
NSN 5930-01-615-3597
NSN 5998-01-550-0170
NSN 2925-00-978-8277
NSN 6610-01-067-6591
NSN 5945-01-445-9498
NSN 6240-00-607-4303
NSN 4140-01-193-6540
NSN 5910-01-421-5388
NSN 6145-01-602-7739
NSN 5985-01-384-3847