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 6240-00-155-7900
NSN 6130-01-187-3831
NSN 5985-01-373-6492
NSN 5920-01-382-4861
NSN 5895-00-585-2038
NSN 5990-00-650-9008
NSN 5855-01-225-5855
NSN 5945-01-529-1994
NSN 5910-00-378-9598
NSN 5895-01-312-3642
NSN 6135-00-871-3646
NSN 6220-01-579-0349