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 6685-01-382-9459
NSN 6320-00-218-6105
NSN 6150-01-508-6048
NSN 6620-00-706-2481
NSN 7035-00-117-0418
NSN 5905-01-309-2360
NSN 5999-01-309-4710
NSN 5950-00-172-3379
NSN 6135-01-531-1413
NSN 5895-01-087-3020
NSN 6645-01-523-8809
NSN 5895-01-157-6653