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 5950-01-362-9307
NSN 6110-01-444-4288
NSN 5990-00-623-8127
NSN 5855-01-478-6583
NSN 6645-01-549-0935
NSN 5960-01-416-6187
NSN 5998-01-461-3110
NSN 6220-01-512-2028
NSN 5895-01-573-7960
NSN 5999-01-432-5780
NSN 5835-01-535-0948
NSN 5915-01-513-9122