MIL-PRF-52747F(AT)
width of 5 inches and finger height of 2 inches with the valve in the closed position for the type I
nozzle. The minimum clearances shall be a hand width of 5.25 inches and finger height of
3 inches with the valve in the closed position for the type II nozzle. The valve must have
identification markings as specified in 3.10.2 (see 4.4.2).
3.6.4 Strainer assembly and nozzle inlet. The nozzle shall include a strainer assembly.
The strainer shall be fabricated in a manner that withstands a 150 gpm and has a 100 mesh
screen. The strainer shall be capable of being inserted in, or removed from, the strainer assembly
by hand without the use of any tool. The strainer shall be securely mounted to the nozzle to
prevent any movement of the strainer when assembled. The inlet of each nozzle shall be a 2-inch
by 11-1/2 NPT internal thread. The centerline of the nozzle inlet and strainer assembly shall be
located 120 +10 degrees from the centerline of the nozzle outlet as shown in Drawing
13219E0486 (see 4.4.2).
3.6.5 Ground cable assembly. The nozzle shall be equipped with a ground cable
assembly for grounding the nozzle to the vehicle and to a ground stake. The nozzle-to-vehicle
ground cable shall consist of a grounding clamp, grounding plug and a coated wire as shown in
figure 1. The nozzle-to-ground stake cable shall be coated wire 15 feet long, and the end shall be
equipped with a grounding clamp. The grounding clamps shall clamp onto any rod ranging from
0.375 to 0.750-inch nominal diameter. The grounding cable assemblies shall be adequately
secured to the nozzle to prevent loss and shall withstand a pull test of 75 pounds (see 4.4.2).
3.7 Fuel resistance. The nozzle shall be resistant to, and suitable for use with, fuels and
test fluids conforming to MIL-T-5624, grade JP-4; MIL-C-7024, type II; MIL-T-83133, grade
JP-8 and ASTM D910 (see 4.4.4.8).
3.8 Physical characteristics.
3.8.1 Dimensions. The nozzle, including all actuating handles, shall be contained within
the envelope shown on Drawing 13219E0486 (see 4.4.2).
3.8.2 Strength. The nozzle shall withstand, while operating, a side load that produces a
moment of 100 foot-pounds about the intersection of the nozzle outlet centerline and the locking
lug reference plane on a closed-circuit adapter (see figure 2 and 4.4.4.2).
3.8.3 Electrical conductivity. The resistance between the closed-circuit adapter and the
nozzle inlet with a hose attached and the resistance between the adapter and the plug on the
ground cable shall not exceed 10 ohms (see 4.4.4.4).
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