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 2925-01-231-6312
NSN 6150-01-449-1040
NSN 5855-01-085-1609
NSN 5965-01-204-8505
NSN 5945-01-487-8536
NSN 5975-01-283-5655
NSN 6130-01-311-4303
NSN 5996-00-351-2369
NSN 5910-00-069-1134
NSN 6610-01-564-9290
NSN 5905-01-414-8218
NSN 5975-01-476-8899