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 4140-00-170-1567
NSN 5895-00-374-8333
NSN 6240-00-660-8849
NSN 7035-01-489-5679
NSN 6130-01-568-9479
NSN 6685-01-475-0097
NSN 5945-00-287-8022
NSN 5985-01-314-2952
NSN 6220-01-066-1193
NSN 6620-00-470-3219
NSN 5998-01-575-1417
NSN 6135-00-754-8191