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 5930-00-233-7356
NSN 6145-01-415-7220
NSN 5960-01-514-5433
NSN 2925-01-443-5929
NSN 5930-00-284-4181
NSN 5945-01-399-1544
NSN 5925-01-514-7048
NSN 4140-01-486-6094
NSN 5998-00-909-5583
NSN 6135-01-109-8763
NSN 5935-00-199-6824
NSN 5950-00-622-6259