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 6685-01-089-6798
NSN 6645-00-020-2787
NSN 6220-01-117-2918
NSN 5920-01-492-5788
NSN 6220-01-130-0228
NSN 6610-00-804-2701
NSN 5985-00-140-4503
NSN 6610-01-251-8860
NSN 5996-00-956-3325
NSN 5925-00-100-0102
NSN 5950-00-827-4010
NSN 6130-00-544-4943