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 6650-01-150-5457
NSN 6685-00-983-5326
NSN 5915-00-948-0341
NSN 5965-01-345-9480
NSN 6145-01-444-1668
NSN 5945-01-487-4127
NSN 5990-01-355-3845
NSN 6620-00-841-0170
NSN 5998-01-393-0765
NSN 5965-00-617-5731
NSN 6645-00-724-7668
NSN 5975-01-300-3139