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 5975-01-424-4251
NSN 5925-00-171-0307
NSN 5925-01-180-5567
NSN 6620-01-246-4314
NSN 5950-01-455-1046
NSN 6130-00-871-8090
NSN 2925-01-132-5827
NSN 5920-00-557-9859
NSN 5960-01-570-8605
NSN 6150-00-426-4412
NSN 5999-01-272-9684
NSN 6620-00-226-2285