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 5965-01-510-3456
NSN 6645-01-389-1970
NSN 5855-01-118-6001
NSN 6685-00-471-4125
NSN 5950-01-441-8711
NSN 6620-01-521-9710
NSN 5925-01-393-8668
NSN 6110-01-012-4227
NSN 6130-01-409-2867
NSN 5945-01-135-6314
NSN 5910-00-532-6978
NSN 6240-01-513-0754