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 6135-01-190-2628
NSN 2925-00-870-2372
NSN 6110-00-036-6386
NSN 5990-00-827-0684
NSN 5965-00-764-1841
NSN 5855-01-163-8152
NSN 5990-01-128-7599
NSN 6150-01-539-5885
NSN 6135-01-115-2867
NSN 6220-00-081-6429
NSN 5895-01-391-7671
NSN 5915-01-295-0949