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 5998-01-075-4986
NSN 6220-01-529-5220
NSN 5930-01-214-1873
NSN 6105-00-520-5119
NSN 5990-01-269-2111
NSN 5855-01-286-9928
NSN 4140-01-110-1194
NSN 5835-01-384-3206
NSN 7035-01-585-8056
NSN 5905-00-243-9520
NSN 6130-00-456-0206
NSN 6145-01-439-8041