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 4140-01-361-9198
NSN 6110-00-941-8347
NSN 5990-01-651-6364
NSN 6110-01-463-9260
NSN 6150-01-177-5115
NSN 6150-01-390-1722
NSN 6110-01-485-9081
NSN 5950-01-376-4132
NSN 5998-01-367-1683
NSN 5935-01-563-9394
NSN 6685-01-462-5866
NSN 5935-01-521-1569