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 5975-01-634-0678
NSN 5990-00-734-7285
NSN 5950-01-053-8434
NSN 7035-00-096-9986
NSN 6105-00-369-1668
NSN 6240-01-325-0898
NSN 5855-01-027-8414
NSN 5930-00-019-1476
NSN 5998-00-163-3265
NSN 5985-00-841-1735
NSN 6105-00-365-4519
NSN 6150-01-467-2892