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 5985-01-170-5531
NSN 6220-01-518-0572
NSN 6610-01-139-2809
NSN 6620-00-115-9050
NSN 5985-01-529-7005
NSN 6610-01-166-4860
NSN 6320-01-449-1014
NSN 2925-01-527-8745
NSN 6135-01-328-0639
NSN 6240-01-400-4212
NSN 5915-01-108-1767
NSN 6610-00-267-1102