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 5925-00-205-2767
NSN 5999-00-004-9956
NSN 5996-01-361-1789
NSN 5950-01-429-3376
NSN 7035-01-309-6709
NSN 5925-00-286-8502
NSN 6130-01-634-0603
NSN 5996-01-051-2097
NSN 5950-01-608-3142
NSN 6135-01-353-1036
NSN 5855-00-189-6066
NSN 6620-01-451-3742