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 5910-01-264-5259
NSN 5950-00-919-3793
NSN 6320-01-631-7828
NSN 4140-01-054-3553
NSN 6620-00-690-8905
NSN 6110-01-505-6074
NSN 6135-01-440-9412
NSN 6650-01-463-2274
NSN 6110-01-621-0047
NSN 5999-00-106-1528
NSN 6320-01-144-3810
NSN 6145-01-643-3169