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 4140-01-367-3108
NSN 5910-01-331-5371
NSN 6645-00-012-5834
NSN 6220-01-121-4499
NSN 6135-01-633-8502
NSN 5855-01-249-0717
NSN 5835-01-435-4139
NSN 5920-01-525-0473
NSN 5985-01-425-0775
NSN 6220-01-659-2472
NSN 5975-00-369-9721
NSN 5999-01-450-0617