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 5965-00-839-0302
NSN 5998-00-137-2578
NSN 5835-01-193-6192
NSN 2925-00-253-1655
NSN 5990-00-348-1423
NSN 6150-01-040-3126
NSN 6145-00-985-3284
NSN 5985-01-311-5410
NSN 5925-01-565-6538
NSN 5975-00-234-7516
NSN 6320-00-646-3311
NSN 5975-00-952-1791