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 6685-01-146-2255
NSN 6135-01-230-4399
NSN 5975-01-647-3297
NSN 6685-00-642-0533
NSN 5990-00-686-5868
NSN 6645-01-220-9530
NSN 6105-01-478-7838
NSN 5996-01-646-3760
NSN 6145-01-527-7035
NSN 5935-01-524-8561
NSN 5835-01-133-6485
NSN 6135-01-167-7604