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 6220-01-264-8944
NSN 5910-01-118-8869
NSN 5855-01-199-2046
NSN 5895-00-224-6955
NSN 6645-00-143-1567
NSN
NSN 6620-01-514-7786
NSN 4140-00-959-4255
NSN 2925-01-577-0004
NSN 5950-01-500-9121
NSN 5975-01-484-1440
NSN 5950-00-972-7343