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 5910-01-158-5567
NSN 6620-01-100-3181
NSN 5915-00-681-2613
NSN 6110-01-361-8949
NSN 5996-00-351-2369
NSN 5855-01-591-0466
NSN 5835-01-133-6485
NSN 5905-01-569-1312
NSN 5855-01-255-1688
NSN 5905-00-760-5054
NSN 6240-01-526-7811
NSN 6685-01-004-1888