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 5996-00-462-2533
NSN 5895-00-803-4596
NSN 5910-01-286-6784
NSN 5985-00-525-7046
NSN 5960-01-052-9577
NSN 6620-00-562-6337
NSN 2925-01-483-2389
NSN 6135-01-265-1384
NSN 5855-00-688-9954
NSN 5965-00-368-8204
NSN 6240-01-303-6174
NSN 5975-01-273-7757