UFC 3-460-03
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Figure 5.3. F/S Control Valve (40AF-2C).
5.6. Refueling Control Valve (90AF-8).
5.6.1. General. The 90AF-8 (Figure 5.4) is a combination pressure-reducing, emergency shutoff,
nonsurge, pressure-relief, and excess-flow-shutoff valve.
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