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 2925-01-009-3411
NSN 6220-01-309-1803
NSN 6685-01-522-3526
NSN 6650-01-604-9315
NSN 5965-01-247-5696
NSN 5905-01-479-1268
NSN 5975-01-088-6925
NSN 6320-01-155-8295
NSN 5925-01-177-1147
NSN 5975-01-441-8872
NSN 5925-00-763-4104
NSN 7035-01-218-4233