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 5999-01-143-1136
NSN 6220-01-122-7439
NSN 5835-01-564-5575
NSN 5925-01-275-6431
NSN 5975-01-016-7079
NSN 5985-00-232-4867
NSN 4140-01-203-9910
NSN 6240-00-041-5043
NSN 5855-01-529-7260
NSN 6145-01-265-2492
NSN 5835-01-085-5487
NSN 5998-01-039-9441