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 5855-01-434-2825
NSN 5930-00-050-7937
NSN 6240-00-538-8907
NSN 6110-01-523-6677
NSN 6105-01-602-8187
NSN 6110-00-732-6692
NSN 5925-01-478-3536
NSN 6105-01-391-7722
NSN 6240-01-142-8923
NSN 6130-00-796-4413
NSN 6620-00-010-8190
NSN 5975-00-945-7533