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 5965-01-513-9978
NSN 6220-00-970-3797
NSN 5998-01-619-7552
NSN 5990-00-905-6472
NSN 5960-01-247-4560
NSN 6145-01-318-3356
NSN 6320-00-731-6134
NSN 6240-01-326-6937
NSN 6150-00-079-1101
NSN 6645-01-256-3375
NSN 6320-01-103-6218
NSN 6240-01-170-3491