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 5990-01-262-7981
NSN 5996-00-851-9720
NSN 5835-01-111-9838
NSN 5960-01-053-4358
NSN 5930-00-783-8924
NSN 5855-00-494-9581
NSN 6685-00-458-8001
NSN 6105-00-812-6267
NSN 5925-01-127-6001
NSN 7035-00-455-7666
NSN 6105-01-181-9906
NSN 5996-01-529-2270