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 6150-00-477-0442
NSN 6150-01-185-0872
NSN 6320-01-519-0916
NSN 5925-00-554-4114
NSN 5855-01-147-4785
NSN 5855-01-392-3734
NSN 5855-01-250-0613
NSN 5905-01-447-8003
NSN 5920-01-584-4144
NSN 5975-01-055-7761
NSN 6645-01-571-8578
NSN 6645-01-500-0827