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 5920-01-129-9638
NSN 5835-01-257-0154
NSN 6320-00-110-8005
NSN 5996-01-531-6491
NSN 6645-01-179-0243
NSN 6645-00-126-0286
NSN 4140-01-422-0439
NSN 6135-01-122-4448
NSN 5950-00-803-5641
NSN 6150-00-175-3083
NSN 6650-01-352-0424
NSN 5998-01-440-0237