0.8125 inside diameter
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 5925-00-801-5417
NSN 5990-01-383-9780
NSN 6620-00-631-4599
NSN 6650-00-847-3492
NSN 6645-01-507-6366
NSN 6610-01-477-6476
NSN 6620-00-842-6372
NSN 4140-00-959-4255
NSN 5990-01-544-4360
NSN 5975-01-516-1941
NSN 6320-01-021-6633
NSN 5985-01-314-5759