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 5985-01-477-5311
NSN 6135-01-173-6306
NSN 5920-00-422-5517
NSN 6145-01-187-0772
NSN 5910-01-597-9558
NSN 5990-01-240-1100
NSN 5998-00-320-4179
NSN 5965-00-402-7799
NSN 5999-01-054-8258
NSN 5975-00-994-9102
NSN 5910-01-290-2353
NSN 5925-01-457-7605