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 5950-01-419-2267
NSN 5975-01-116-3678
NSN 6645-00-230-4396
NSN 4140-00-807-9902
NSN 6105-01-510-4633
NSN 5835-00-757-3558
NSN 2925-00-549-6759
NSN 6150-00-695-2765
NSN 5985-01-330-7033
NSN 5855-00-189-6066
NSN 6685-01-530-9426
NSN 6130-01-037-5791