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 5975-00-212-6249
NSN 5965-01-545-0198
NSN 5965-01-097-4867
NSN 6645-01-532-3172
NSN 5835-01-169-5330
NSN
NSN 6320-01-550-3420
NSN 6620-01-423-0833
NSN 2925-01-631-7004
NSN 5990-01-443-2931
NSN 6320-00-284-1524
NSN 6620-00-613-3023