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 6150-00-477-0442
NSN 5985-01-524-3498
NSN 5935-00-094-6862
NSN 5835-00-106-2120
NSN 6145-00-229-1383
NSN 6220-00-975-5903
NSN 6110-00-902-3727
NSN 5990-01-237-7188
NSN 6135-01-334-3935
NSN 6240-01-013-2528
NSN 5895-01-644-7590
NSN 6135-01-578-8919