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 5910-01-434-0975
NSN 6105-01-168-8335
NSN 6610-01-333-6621
NSN 6220-00-227-8209
NSN 6150-01-591-7191
NSN 6685-01-312-7483
NSN 6145-01-131-7671
NSN 6150-01-123-7612
NSN 5975-01-606-6938
NSN 5999-01-457-8585
NSN 5998-01-227-2416
NSN 5990-00-840-6571