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 5945-01-314-6620
NSN 6220-01-074-5823
NSN 6105-00-557-0231
NSN 5998-01-528-6779
NSN 5996-01-578-8491
NSN 5855-00-411-8688
NSN 5910-01-243-3293
NSN 4140-00-900-1816
NSN 5945-01-166-4836
NSN 5999-00-590-3097
NSN 6320-01-530-4870
NSN 5999-01-246-4247