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 5960-01-023-8037
NSN 6685-01-634-0611
NSN 5835-01-350-0566
NSN 4140-00-306-9592
NSN 6240-00-635-9953
NSN 5855-01-527-8407
NSN 6645-01-425-2330
NSN 6685-01-139-0270
NSN 5965-00-971-5522
NSN 6145-00-985-3284
NSN 5925-01-428-7667
NSN 5999-00-626-1479