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 2925-00-233-5644
NSN 6685-00-585-1236
NSN 5975-01-300-9553
NSN 5975-00-110-8148
NSN 5965-01-399-8454
NSN 6610-01-487-6843
NSN 6135-01-581-1039
NSN 6110-00-005-7878
NSN 5920-01-613-7912
NSN 6135-01-377-5729
NSN 4140-01-398-0286
NSN 5975-00-724-8501