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 6130-01-622-7821
NSN 5950-01-524-9831
NSN 6620-01-591-6681
NSN 5945-01-476-4689
NSN 5905-00-172-8186
NSN 5915-00-975-7667
NSN 5985-01-048-9492
NSN 5965-00-226-0209
NSN 5905-01-634-0595
NSN 6685-00-918-8067
NSN 6145-01-430-9247
NSN 6650-00-913-1854