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 6135-00-377-9165
NSN 6610-01-442-2213
NSN 7035-01-440-8877
NSN 5925-00-024-0864
NSN 6145-01-511-6027
NSN 6685-01-185-9940
NSN 5930-00-301-4810
NSN 6645-00-764-3355
NSN 5960-01-461-9284
NSN 5999-01-348-5404
NSN 6220-00-775-2384
NSN 5965-01-288-4736