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 5998-01-249-6291
NSN 5990-01-423-8189
NSN 6110-00-175-3661
NSN 5920-01-390-6318
NSN 5925-00-031-4108
NSN 5910-00-443-4237
NSN 5935-01-124-7318
NSN 5985-01-282-9678
NSN 5930-01-100-5281
NSN 6240-01-055-5193
NSN 5935-01-399-1886
NSN 5950-01-571-8560