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 5915-01-406-3271
NSN 5855-00-797-8217
NSN 6110-01-314-8429
NSN 5975-01-633-1936
NSN 5895-00-126-1127
NSN 6135-01-156-4627
NSN 5905-01-578-6998
NSN 5945-01-328-2591
NSN 6685-01-410-7583
NSN 5960-01-389-4055
NSN 2925-01-178-0063
NSN 6645-01-105-9757