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 5975-01-290-3717
NSN 5975-00-018-0815
NSN 5930-01-070-5464
NSN 5925-01-591-4361
NSN 5855-01-528-8776
NSN 7035-00-870-0290
NSN 5996-00-712-2939
NSN 4140-00-996-2248
NSN 6240-01-063-7685
NSN 6685-01-246-5038
NSN 5855-01-608-2417
NSN 6620-01-108-4673