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 6150-01-117-4773
NSN 6620-00-703-0860
NSN 5895-00-547-5714
NSN 5965-00-812-9158
NSN 6685-01-524-1940
NSN 6645-01-602-3813
NSN 6105-01-523-6520
NSN 5895-00-720-4148
NSN 5945-00-061-0368
NSN 5975-01-155-3270
NSN 5895-00-066-7225
NSN 7035-01-467-8921