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 6320-01-512-2031
NSN 5975-00-168-3492
NSN 5985-00-649-5543
NSN 6220-00-520-0333
NSN 5930-01-577-4152
NSN 5855-00-256-5562
NSN 5999-00-813-9503
NSN 6110-00-244-1354
NSN 6130-00-151-5001
NSN 6650-01-098-6914
NSN 5835-01-540-4995
NSN 5835-01-214-5402