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 5935-00-204-9510
NSN 2925-01-520-4194
NSN 5910-00-914-2945
NSN 6320-00-994-0179
NSN 5996-01-535-6443
NSN 6110-01-427-0161
NSN 5999-01-578-6070
NSN 6110-00-127-9957
NSN 5915-00-838-8444
NSN 6240-00-493-3693
NSN 6135-00-182-7008
NSN 5895-00-269-3848