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 5930-00-059-4990
NSN 5920-01-255-0816
NSN 5975-01-126-6588
NSN 6135-01-268-7056
NSN 5905-01-020-7683
NSN 6610-00-292-9895
NSN 4140-01-364-1684
NSN 5950-01-325-0890
NSN 5910-01-206-5051
NSN 6610-01-015-9798
NSN 6645-01-433-6999
NSN 5990-00-566-5987