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 6620-01-643-5531
NSN 6610-01-332-5126
NSN 6650-01-525-7370
NSN 5925-01-472-7344
NSN 5975-01-553-5857
NSN 5920-01-452-9545
NSN 6320-00-139-1090
NSN 5998-00-988-9270
NSN 5895-01-126-6490
NSN 6105-00-135-7336
NSN 6685-00-114-8787
NSN 5960-00-153-7115