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 5975-01-112-6611
NSN 6220-01-383-1759
NSN 6150-00-148-8515
NSN 5935-00-520-3651
NSN 5935-01-287-8498
NSN 6610-00-136-2662
NSN 7035-01-491-3981
NSN 6150-00-816-3467
NSN 6685-00-724-5998
NSN 6620-01-102-0008
NSN 5935-00-633-8302
NSN 5985-01-415-1510