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 5920-01-121-9636
NSN 6105-01-513-3334
NSN 5950-00-960-4233
NSN 5915-01-156-8622
NSN 5930-00-538-1332
NSN 6145-01-461-9072
NSN 6645-01-551-5321
NSN 2925-01-474-3363
NSN 4140-00-439-4100
NSN 5835-01-588-6533
NSN 6610-01-012-0517
NSN 6150-01-025-4755