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 6130-01-414-8840
NSN 5915-01-163-4332
NSN 5998-00-864-8336
NSN 2925-00-194-7407
NSN 6150-01-328-3702
NSN 5945-01-288-5631
NSN 5910-01-646-4011
NSN 5999-00-477-9931
NSN 6645-01-056-5291
NSN 5950-01-199-2761
NSN 5990-00-906-4840
NSN 6320-00-149-7570