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 6145-01-415-9593
NSN 6240-01-474-5446
NSN 6620-01-483-1138
NSN 4140-00-211-5970
NSN 6110-01-113-7642
NSN 6610-01-521-4974
NSN 2925-01-061-4012
NSN 6150-01-450-9468
NSN 5985-00-504-9715
NSN 6135-01-630-3158
NSN 5945-00-334-8980
NSN 6150-01-158-0030