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 6135-01-461-2915
NSN 6645-00-006-6387
NSN 5990-01-204-7576
NSN 6240-00-829-4179
NSN 6135-01-620-8216
NSN 6145-01-206-3539
NSN 6220-01-123-4096
NSN 6240-01-224-4125
NSN 6320-00-468-8421
NSN 5930-01-134-1172
NSN 5960-01-291-5593
NSN 5950-01-118-9226