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 5910-01-509-3028
NSN 6685-00-983-9408
NSN 5975-01-211-5975
NSN 5998-01-089-4554
NSN 6685-01-222-4647
NSN 5935-00-715-8216
NSN 4140-01-549-0975
NSN 5998-01-647-8292
NSN 6685-01-327-4783
NSN 5935-01-224-8565
NSN 6220-01-013-9498
NSN 6620-01-177-3779