Aviation mission bridge crane, model 20858 table 7-11 page 7-23
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 5999-01-371-1378
NSN 5945-01-055-4305
NSN 6610-01-212-2969
NSN 5930-01-467-2477
NSN 6650-01-372-1352
NSN 5835-00-498-8189
NSN 5925-00-306-4260
NSN 5975-00-140-6811
NSN 6220-01-350-3108
NSN 5895-01-042-7888
NSN 5915-01-510-9763
NSN 5985-00-145-2962