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 6645-01-430-3933
NSN 5999-01-126-4966
NSN 6145-00-246-2424
NSN 6135-00-840-6451
NSN 6145-00-110-2463
NSN 5935-01-125-7629
NSN 6135-01-528-6896
NSN 5930-00-370-3161
NSN 5999-00-163-1886
NSN 5975-01-363-9453
NSN 2925-00-999-8967
NSN 5996-00-186-8709