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 5985-01-415-5785
NSN 6220-01-065-1113
NSN 5998-01-171-6454
NSN 6145-00-228-2207
NSN 6145-00-345-2565
NSN 5985-01-083-3368
NSN 5835-01-205-6614
NSN 6145-00-528-6467
NSN 5999-01-309-8755
NSN 6220-00-323-0800
NSN 5975-00-900-4013
NSN 4140-01-376-0986