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 5998-01-044-6520
NSN 5905-00-559-5715
NSN 5950-01-629-8862
NSN 4140-00-187-6086
NSN 5950-01-337-7923
NSN 6145-01-349-8995
NSN 5985-00-448-5474
NSN 6145-00-216-6613
NSN 5998-01-622-5739
NSN 5999-01-100-3221
NSN 5920-00-324-2315
NSN 2925-01-203-0493