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 2925-01-305-1370
NSN 5998-01-538-5247
NSN 6645-01-147-5579
NSN 6145-00-982-2812
NSN 5965-00-103-5000
NSN 6220-01-602-7025
NSN 6110-01-538-8835
NSN 5990-00-919-7593
NSN 6645-00-907-3404
NSN 5975-01-329-9111
NSN 5950-01-153-2650
NSN 6650-00-775-6560