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 5999-01-010-3039
NSN 5998-00-925-0182
NSN 5985-01-633-9215
NSN 5930-00-038-7775
NSN 5945-00-884-3447
NSN 6240-01-024-3917
NSN 5835-01-090-6712
NSN 6135-00-152-8729
NSN 5925-01-457-9113
NSN 6645-00-283-6794
NSN 6650-01-415-5573
NSN 6130-01-227-5538