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 6220-01-100-7428
NSN 4140-01-609-7382
NSN 5998-01-531-0358
NSN 6645-00-772-0532
NSN 7035-00-200-5162
NSN 6145-01-445-4707
NSN 6610-01-555-8364
NSN 5910-01-435-4562
NSN 5990-00-070-0538
NSN 5910-00-358-6984
NSN 5945-01-346-4947
NSN 5855-01-163-8152