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 6135-01-552-1568
NSN 6135-00-223-9563
NSN 5915-00-691-2702
NSN 6110-01-508-4312
NSN 6240-01-441-3606
NSN 6145-01-401-3713
NSN 5965-00-303-9701
NSN 6620-01-578-7561
NSN 5925-01-129-1352
NSN 2925-01-570-8065
NSN 2925-01-282-3206
NSN 5999-01-037-5593