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 5996-01-619-3488
NSN 5998-01-169-2682
NSN 6130-01-076-3926
NSN 6610-01-577-8107
NSN 2925-00-998-0145
NSN 4140-01-019-0555
NSN 2925-01-485-6262
NSN 5915-01-132-9123
NSN 6240-01-160-7934
NSN 6150-01-499-7606
NSN 5965-01-253-0451
NSN 6620-01-121-0736