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 5985-01-634-0635
NSN 5930-01-249-3120
NSN 6685-01-440-8749
NSN 6240-01-547-2026
NSN 7035-01-522-9822
NSN 6130-01-053-5559
NSN 5910-01-415-7087
NSN 5999-00-112-9509
NSN 6610-01-045-1823
NSN 6685-01-375-7555
NSN 5905-01-384-3307
NSN 6110-01-577-4718