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 5960-01-370-4285
NSN 6240-01-493-3252
NSN 5915-01-578-6153
NSN 5945-00-946-4648
NSN 5855-00-466-2309
NSN 6135-01-265-1384
NSN 5925-01-581-9584
NSN 6220-01-252-9285
NSN 6130-01-359-1712
NSN 5990-01-054-4255
NSN 6685-00-051-2831
NSN 6135-00-112-8637