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 5945-00-156-7256
NSN 5905-01-206-1283
NSN 2925-00-288-1394
NSN 5996-00-484-9196
NSN 5996-01-281-3234
NSN 6240-00-152-6289
NSN 6610-01-559-5073
NSN 5945-01-268-2860
NSN 5950-00-981-1953
NSN 4140-00-088-4724
NSN 5920-00-690-1930
NSN 6110-00-051-4427