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 5998-01-154-2044
NSN 5975-01-145-2869
NSN 5960-00-822-6787
NSN 5905-01-604-0709
NSN 5985-01-167-4777
NSN 5930-01-181-5605
NSN 4140-00-170-5152
NSN 5835-01-608-4285
NSN 6685-01-567-8075
NSN 5835-00-213-9811
NSN 5835-00-479-0464
NSN 6685-01-385-6338