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 6220-00-213-7548
NSN 6320-01-422-1212
NSN 5835-01-511-5337
NSN 6105-00-325-3637
NSN 5985-01-266-4820
NSN 5930-00-422-5375
NSN 6150-00-731-4453
NSN 6220-01-530-4841
NSN 5910-01-451-4292
NSN 5990-00-410-6202
NSN 5895-00-427-9617
NSN 6650-00-985-5332