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 5990-00-330-8922
NSN 5925-01-046-9213
NSN 6685-01-057-5619
NSN 5910-01-538-9620
NSN 5975-01-312-5552
NSN 5920-01-292-0686
NSN 6620-01-246-4314
NSN 6135-01-130-3145
NSN 5950-00-054-0928
NSN 5965-01-141-6485
NSN 5920-01-111-1214
NSN 5996-00-835-7777