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 5930-01-277-0757
NSN 6320-01-292-6635
NSN 5960-00-212-6367
NSN 6620-00-542-0529
NSN 6135-01-466-0192
NSN 5945-01-199-5060
NSN 5950-01-373-0461
NSN 6320-01-152-8873
NSN 6145-01-029-4184
NSN 4140-01-129-7715
NSN 6150-01-630-5784
NSN 5910-01-020-7152