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 5990-00-435-3348
NSN 5985-00-500-0269
NSN 6135-01-140-8201
NSN 5925-01-284-5270
NSN 5855-01-054-9014
NSN 6645-00-580-9605
NSN 6135-01-632-3365
NSN 5910-00-179-2888
NSN 5975-01-304-7494
NSN 5910-01-194-5425
NSN 5925-01-450-5656
NSN 5925-01-089-9627