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 5990-01-168-6797
NSN 6610-01-220-4503
NSN 5975-00-134-3667
NSN 5996-01-067-8716
NSN 4140-01-172-8368
NSN 2925-01-230-8057
NSN 5905-01-124-6611
NSN 2925-01-330-2988
NSN 6145-01-342-0422
NSN 6685-00-403-8254
NSN 5965-00-078-5770
NSN 6240-01-526-1674