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 6645-00-580-9605
NSN 6610-01-520-6308
NSN 5998-01-621-9182
NSN 5935-01-267-7189
NSN 5915-01-567-8298
NSN 5996-00-557-5983
NSN 5975-01-551-1172
NSN 6645-00-173-2800
NSN 2925-00-371-2285
NSN 5965-01-215-3184
NSN 6145-01-619-6527
NSN 5960-00-649-9373