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 6240-01-417-3656
NSN 6105-01-424-0275
NSN 5996-01-127-0533
NSN 6610-01-170-2905
NSN 5965-01-654-4571
NSN 5905-01-217-8516
NSN 5925-01-223-1067
NSN 6650-01-647-7656
NSN 6145-01-008-0442
NSN 6110-01-579-1399
NSN 5996-01-445-5528
NSN 5999-01-500-4329