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 6130-00-879-6532
NSN 6685-00-991-3640
NSN 5925-01-563-0165
NSN 6240-01-571-2938
NSN 6130-01-267-6123
NSN 7035-00-897-7567
NSN 5920-01-088-8312
NSN 5910-01-384-9951
NSN 6135-00-947-7091
NSN 5945-01-533-7005
NSN 6130-01-475-1996
NSN 5855-00-560-0110