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 6645-01-211-6502
NSN 5920-00-245-6434
NSN 6610-01-230-9971
NSN 5990-00-269-2226
NSN 5905-00-194-6640
NSN 6320-00-139-1090
NSN 5999-00-139-6623
NSN 6320-00-218-6105
NSN 5985-00-803-0930
NSN 5915-00-007-2529
NSN 5930-00-893-2024
NSN 5920-01-086-3258