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 5905-01-176-2335
NSN 2925-00-247-6248
NSN 5985-00-446-6132
NSN 5960-01-258-0814
NSN 5910-00-010-7921
NSN 5905-01-332-9850
NSN 6620-01-551-7922
NSN 6220-01-476-7448
NSN 5998-01-557-9720
NSN 6130-01-527-6159
NSN 6610-01-044-4740
NSN 6685-01-362-8278