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 7035-01-544-6975
NSN 6220-01-509-9943
NSN 5985-00-970-9100
NSN 5975-01-185-2029
NSN 6130-00-901-8670
NSN 5975-00-218-0414
NSN 5990-01-333-2294
NSN 6105-01-284-6983
NSN 5990-01-529-7307
NSN 6240-00-120-0140
NSN 6135-01-200-5144
NSN 5910-00-379-2349