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 6145-01-326-8004
NSN 5965-00-116-5363
NSN 5905-01-345-6268
NSN 5950-01-494-6898
NSN 5895-01-544-9618
NSN 6620-01-346-9340
NSN 5996-01-445-4737
NSN 5990-01-292-6000
NSN 6240-01-483-0449
NSN 5905-01-025-6709
NSN 5910-01-425-1773
NSN 6130-01-351-5436