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 6650-00-809-1817
NSN 6685-01-141-7034
NSN 6240-01-495-9845
NSN 6145-01-577-7776
NSN 5920-01-497-9528
NSN 6240-00-514-3507
NSN 4140-01-152-0648
NSN 2925-01-412-9520
NSN 5935-01-371-1261
NSN 5935-00-166-8393
NSN 6145-01-337-0008
NSN 6240-01-376-8646