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 5915-00-226-0910
NSN 6130-00-107-5303
NSN 5996-01-558-2862
NSN 6220-01-333-3292
NSN 5905-01-336-6641
NSN 6620-00-299-2530
NSN 5910-01-370-5329
NSN 5920-00-456-5211
NSN 5950-00-237-2161
NSN 5920-01-415-2878
NSN 5935-01-303-7647
NSN 5945-01-600-6760