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 6685-00-625-3722
NSN 5925-01-094-1900
NSN 6105-00-784-0460
NSN 6135-00-269-5843
NSN 5835-01-593-7579
NSN 5965-01-264-1738
NSN 6240-00-658-3207
NSN 5895-01-359-4279
NSN 5925-00-650-1069
NSN 6620-01-052-2773
NSN 5999-00-243-6587
NSN 5925-01-140-2773