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 6650-00-816-6525
NSN 6130-00-757-6394
NSN 5915-01-156-7003
NSN 6135-01-101-5039
NSN 5985-01-441-5786
NSN 6620-00-147-6034
NSN 5915-01-048-9277
NSN 7035-01-339-5480
NSN 7035-01-580-9358
NSN 4140-00-205-6491
NSN 6105-00-356-7906
NSN 6105-01-136-3446