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 5910-01-586-2719
NSN 6150-01-396-6855
NSN 5999-01-573-6120
NSN 5910-01-484-9190
NSN 6320-01-029-4220
NSN 6110-01-542-8321
NSN 6645-01-382-7341
NSN 5975-00-580-0434
NSN 6320-00-593-0379
NSN 6610-01-165-9458
NSN 5915-01-285-5316
NSN 2925-00-945-0792