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 6645-00-166-7926
NSN 5990-01-527-4868
NSN 6145-01-067-8419
NSN 5835-01-456-3922
NSN 5930-00-564-2903
NSN 5835-01-416-6449
NSN 5920-01-140-1120
NSN 6150-00-114-2785
NSN 6130-00-233-6427
NSN 6145-01-584-1657
NSN 6620-01-207-0667
NSN 6130-01-423-0612