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 4140-01-093-8110
NSN 5945-01-525-7677
NSN 5855-00-832-7316
NSN 6685-00-125-4472
NSN 5960-01-142-1995
NSN 5960-01-622-0393
NSN 6105-00-538-2917
NSN 6240-00-403-1272
NSN 5985-00-437-9447
NSN 6135-01-035-1871
NSN 4140-00-646-6588
NSN 4140-00-152-7092