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 5920-00-740-3121
NSN 6220-01-197-0486
NSN 5990-01-320-9817
NSN 2925-01-067-4446
NSN 5965-00-439-6287
NSN 5998-01-509-1786
NSN 6685-00-011-1998
NSN 6620-01-197-7665
NSN 5920-01-584-4478
NSN 5935-01-160-7100
NSN 5910-00-558-4758
NSN 6145-00-895-6548