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 5998-01-064-4366
NSN 5975-00-849-2953
NSN 5985-00-466-3574
NSN 5920-01-156-4241
NSN 6105-01-207-6045
NSN 5975-00-082-0894
NSN 6645-01-603-9331
NSN 6145-01-573-9123
NSN 5935-01-158-9165
NSN 5910-01-532-3193
NSN 5985-00-163-7760
NSN 6620-01-515-9597