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 5998-01-242-4243
NSN 5996-01-360-7116
NSN 6130-00-123-6906
NSN 5835-01-281-1655
NSN 5990-01-176-2724
NSN 5965-01-426-8325
NSN 6145-01-089-6146
NSN 5996-00-820-4703
NSN 5930-00-078-9426
NSN 5930-00-526-7645
NSN 6620-01-304-8055
NSN 6240-00-275-1950