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 6620-00-982-6855
NSN 6130-01-229-2473
NSN 5965-01-180-3903
NSN 6650-01-594-9915
NSN 5998-01-248-8339
NSN 5925-00-446-2464
NSN 5945-00-976-1073
NSN 5996-00-187-1424
NSN 5950-01-155-8736
NSN 6610-01-010-2018
NSN 5975-00-445-1396
NSN 6130-00-328-8335