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 5996-01-106-8903
NSN 4140-01-125-1374
NSN 6320-01-054-3046
NSN 6220-01-644-4742
NSN 5965-00-726-3168
NSN 5950-01-010-8951
NSN 5975-01-392-0436
NSN 6685-01-334-0746
NSN 5990-00-139-3155
NSN 5905-01-373-0396
NSN 6145-01-607-6165
NSN 5945-00-243-6134