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 5998-01-521-3485
NSN 6685-01-604-1743
NSN 6145-00-152-9954
NSN 2925-00-183-4390
NSN 5915-01-529-0577
NSN 5960-01-050-6440
NSN 5960-01-384-4603
NSN 5960-01-624-1170
NSN 5998-01-398-0280
NSN 5925-01-203-6824
NSN 5950-01-553-5950
NSN 6130-00-899-8448