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 2925-01-540-5539
NSN 5925-01-624-6886
NSN 5835-01-216-7289
NSN 6650-01-330-6740
NSN 6610-01-052-0803
NSN 5905-00-219-7935
NSN 5975-01-069-4689
NSN 5965-01-324-6583
NSN 5895-01-451-3535
NSN 5915-01-393-7938
NSN 4140-00-148-7013
NSN 5915-01-215-7405