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 5950-01-540-3561
NSN 5999-01-647-4542
NSN 5905-01-352-6691
NSN 4140-01-425-1725
NSN 5920-00-890-8999
NSN 5950-01-121-2215
NSN 6685-00-365-5572
NSN 6610-01-219-6836
NSN 6150-01-641-6579
NSN 6220-00-949-0024
NSN 6110-01-479-8558
NSN 5895-01-202-6484