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 6620-00-604-7566
NSN 6620-01-195-3355
NSN 5950-01-432-7176
NSN 7035-01-106-3476
NSN 6130-00-420-7961
NSN 6645-00-967-8401
NSN 5930-00-222-4721
NSN 6220-01-245-0310
NSN 5920-00-526-9238
NSN 5925-01-189-6811
NSN 5999-01-483-8696
NSN 5905-00-105-5333