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 6650-01-316-5628
NSN 4140-01-367-8058
NSN 5975-00-894-9639
NSN 6110-01-456-9974
NSN 5895-01-159-7854
NSN 5960-00-419-3641
NSN 6620-01-216-8082
NSN 6240-00-816-6749
NSN 5945-00-001-9499
NSN 6220-01-096-5286
NSN 5915-01-512-8851
NSN 2925-00-536-4574