70-603-01
GRAINGER APPROVED ZUSA-RC-603 Buna-N Square Cord,3/32" D,10' L,70A 38G832
RITE IN THE RAIN paper stays flat even when you write on it while damp.
Apollo Valves 7060301 70-600 Series 1/2 Standard Port 3 Way Diversion Threaded B
What stands out about this is the Oxford cloth's ability to resist tearing under stress.