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 6240-00-172-8451
NSN 5999-00-855-7641
NSN 5915-00-403-2634
NSN 5950-01-381-3747
NSN 6620-00-215-1996
NSN 5999-01-498-5253
NSN 5985-00-554-4599
NSN 5905-01-051-0050
NSN 5895-01-444-5142
NSN 5895-01-415-2476
NSN 5999-01-280-9242
NSN 2925-01-528-7333