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 6240-01-066-6522
NSN 6685-01-341-2161
NSN 6240-01-541-9715
NSN 5920-01-622-7558
NSN 6145-01-202-3539
NSN 6240-01-258-6298
NSN 5950-00-295-8842
NSN 6240-00-186-3266
NSN 2925-00-001-4604
NSN 5935-01-139-3875
NSN 5920-00-103-7642
NSN 5920-01-573-4469