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 6645-01-437-9017
NSN 5920-00-243-9506
NSN 6610-00-038-8148
NSN 6105-01-192-0532
NSN 5855-00-494-9581
NSN 6620-01-337-5668
NSN 6145-00-738-5601
NSN 6240-01-271-2222
NSN 6135-00-497-0491
NSN 7035-01-366-5912
NSN 6135-01-171-9299
NSN 6650-01-152-9425