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 6685-00-279-3620
NSN 5990-00-150-6979
NSN 5945-00-905-6692
NSN 6220-01-401-5337
NSN 5855-00-477-9943
NSN 6110-00-008-1766
NSN 5855-01-308-0955
NSN 6220-01-439-3490
NSN 5905-01-376-9476
NSN 5925-00-050-8501
NSN 5998-01-019-4625
NSN 6220-01-351-8217