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 5945-01-640-6663
NSN 6145-01-641-7703
NSN 6685-00-862-5431
NSN 4140-01-366-4034
NSN 5998-00-785-7911
NSN 4140-01-251-6797
NSN 6110-01-529-2592
NSN 5920-00-204-8125
NSN 5895-00-787-0239
NSN 5835-01-462-5983
NSN 2925-00-814-8745
NSN 6105-00-859-8924