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 5996-00-325-6285
NSN 6620-01-560-4497
NSN 5895-00-996-5812
NSN 5996-01-074-7733
NSN 5950-01-485-3518
NSN 6645-00-658-7838
NSN 5975-01-252-7327
NSN 5965-01-036-9945
NSN 6150-01-333-1116
NSN 6320-01-036-2598
NSN 5930-00-072-0239
NSN 6145-00-299-7757