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 5998-00-375-4259
NSN 6145-01-141-7937
NSN 5895-01-453-5868
NSN 5999-01-188-7161
NSN 5935-00-299-7897
NSN 5930-00-339-0346
NSN 6110-00-863-3855
NSN 6220-00-079-0178
NSN 5965-00-168-9624
NSN 5935-01-107-2352
NSN 5920-01-550-3388
NSN 5985-01-240-5388