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 5998-01-212-8602
NSN 6150-00-577-8612
NSN 5996-00-932-6570
NSN 7035-00-205-1932
NSN 6220-01-265-2705
NSN 5935-01-591-4278
NSN 6135-01-382-9278
NSN 6110-01-411-9297
NSN 4140-01-298-1630
NSN 5930-00-021-6469
NSN 7035-01-033-3007
NSN 4140-01-010-0615