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 5985-01-091-6012
NSN 6130-01-443-4722
NSN 6110-00-228-1275
NSN 6145-01-254-4505
NSN 6135-00-613-1068
NSN 6150-01-333-2083
NSN 5985-00-383-3310
NSN 5935-00-039-8966
NSN 4140-01-478-5011
NSN 6150-00-951-3420
NSN 5895-01-247-3358
NSN 6110-01-306-2932