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 5985-01-086-9670
NSN 5999-01-278-9377
NSN 6645-01-484-6498
NSN 5985-01-264-5467
NSN 6130-01-226-7242
NSN 6650-01-444-0551
NSN 6105-01-446-6527
NSN 5920-01-527-7656
NSN 5935-00-148-4323
NSN 2925-01-571-6472
NSN 6685-01-529-5406
NSN 5950-01-532-2726