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 6135-01-067-8331
NSN 6105-01-449-1046
NSN 5975-01-415-4283
NSN 5960-01-050-6440
NSN 6620-00-221-4964
NSN 5996-01-038-3850
NSN 5910-00-148-9365
NSN 5996-00-814-3039
NSN 5915-00-279-2973
NSN 6645-01-590-6385
NSN 6610-01-223-8179
NSN 4140-00-197-9712