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 5930-00-589-7628
NSN 5925-01-494-6619
NSN 6610-01-152-9240
NSN 6620-00-008-0213
NSN 5855-01-388-6837
NSN 5999-01-202-8191
NSN 5975-01-094-6250
NSN 6105-00-221-7769
NSN 5996-01-167-3922
NSN 5998-01-181-5744
NSN 6135-00-491-7429
NSN 5975-00-503-9190