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 5925-00-435-8391
NSN 5915-01-484-9097
NSN 6645-00-292-5053
NSN 5975-01-100-1822
NSN 2925-01-523-3607
NSN 5905-00-277-7439
NSN 6650-01-120-6231
NSN 5950-01-455-3133
NSN 4140-00-198-4961
NSN 6145-01-143-7498
NSN 5985-01-068-2715
NSN 5998-01-378-7450