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 2925-00-265-7539
NSN 6650-01-463-8405
NSN 5990-01-032-5160
NSN 5965-00-067-7393
NSN 5960-01-142-1995
NSN 6650-01-301-3959
NSN 5935-01-013-9384
NSN 5945-00-759-1580
NSN 6645-00-928-7208
NSN 5945-01-567-4244
NSN 6130-00-960-9158
NSN 5925-01-160-7128