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 6240-01-285-7857
NSN 6610-01-434-4958
NSN 5975-01-414-8873
NSN 6220-00-501-7599
NSN 6620-00-054-4778
NSN 5895-01-359-5090
NSN 6110-00-900-3970
NSN 6220-00-910-0320
NSN 6150-00-031-8655
NSN 5935-00-644-9978
NSN 6320-00-036-3688
NSN 6110-01-185-6839