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 5925-00-186-8669
NSN 6685-01-441-1391
NSN 6220-01-534-3965
NSN 6145-00-007-5178
NSN 6610-00-197-2344
NSN 5950-01-044-0385
NSN 5990-01-238-1975
NSN 5935-01-098-7267
NSN 2925-01-185-9144
NSN 5910-00-197-8920
NSN 6685-00-105-9896
NSN 6150-01-441-9359