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 5950-00-172-2229
NSN 6645-00-211-6906
NSN 6685-00-578-5951
NSN 5990-01-568-5565
NSN 6135-00-315-1187
NSN 5930-01-065-9786
NSN 6645-01-161-8047
NSN 6650-00-134-5130
NSN 5925-01-449-1246
NSN 6150-01-461-9799
NSN 6610-01-129-1053
NSN 6145-00-062-7897