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 5960-00-283-6235
NSN 5999-01-425-6132
NSN 5855-01-040-3881
NSN 5985-00-432-2286
NSN 5965-01-028-6206
NSN 5855-00-560-0110
NSN 6610-01-250-2811
NSN 2925-01-087-4184
NSN 6685-01-530-9269
NSN 6220-00-643-4045
NSN 5910-01-215-4080
NSN 5930-01-487-5039