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 5990-01-432-0523
NSN 4140-00-152-3923
NSN 6110-01-098-9864
NSN 5855-01-541-1361
NSN 5835-01-209-6410
NSN 6650-00-413-2696
NSN 5910-01-040-4034
NSN 5950-00-804-6716
NSN 5855-00-688-9954
NSN 5925-01-157-2209
NSN 6130-01-115-5331
NSN 6645-01-496-9868