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 6320-00-228-5678
NSN 5930-00-363-6599
NSN 2925-01-115-8072
NSN 5930-01-338-9140
NSN 5990-01-400-3299
NSN 5985-01-093-5796
NSN 6220-00-108-8598
NSN 6650-00-172-5983
NSN 5950-00-594-3695
NSN 6620-01-025-3401
NSN 5975-01-159-5227
NSN 6145-01-502-0005