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 5975-00-778-5700
NSN 6220-00-595-6954
NSN 5998-00-853-3289
NSN 6240-01-550-6813
NSN 6685-01-243-0372
NSN 4140-01-290-4026
NSN 4140-01-204-7025
NSN 5945-00-936-7570
NSN 5905-00-276-8597
NSN 6110-01-427-3671
NSN 6145-01-004-7669
NSN 5930-00-729-3768