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 4140-00-760-5672
NSN 6320-01-607-0347
NSN 5910-01-446-4666
NSN 7035-01-388-6943
NSN 5855-00-138-2386
NSN 6645-01-196-6277
NSN 6145-00-264-8940
NSN 6135-00-377-9165
NSN 5990-01-134-7756
NSN 5895-01-384-9618
NSN 5895-01-579-4833
NSN 5855-01-657-7657