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 5855-00-631-4565
NSN 5998-00-279-3407
NSN 6610-00-935-7131
NSN 5998-00-250-9561
NSN 6145-00-244-2946
NSN 4140-00-823-9194
NSN 6645-01-329-3890
NSN 6130-01-038-9244
NSN 5855-00-100-9003
NSN 5950-00-477-9072
NSN 2925-01-537-2069
NSN 6145-00-224-5245