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 6645-01-209-6881
NSN 6220-01-487-2229
NSN 6135-01-579-3534
NSN 6150-00-043-0667
NSN 5985-01-005-8349
NSN 6610-01-305-8863
NSN 5935-01-517-3849
NSN 5985-01-431-8610
NSN 5975-01-174-7316
NSN 5930-01-179-6676
NSN 5950-00-840-2871
NSN 5996-00-243-1418