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 6685-01-265-8724
NSN 6620-01-390-1121
NSN 6650-01-233-3578
NSN 6150-01-381-6176
NSN 6110-01-286-5512
NSN 5950-01-116-2142
NSN 5999-01-256-5738
NSN 6620-00-106-6851
NSN 6110-01-514-8646
NSN 5915-01-101-6841
NSN 5855-00-482-9876
NSN 5855-01-428-9456