MIL-PRF-53068B
TABLE IV. Characteristics of bonded fittings.
Test paragraph or
Item
Property
Requirement
ASTM test methods
1
Aluminum to coated fabric
350 psi (min)
4.5.3.19 and
bond strength (initial)
4.5.3.19.1
2
Bond strength of fitting
after immersion in
distilled water at 160±2 °F
for the following
durations:
14 days
280 psi (min)
4.5.3.19 and
4.5.3.19.2
42 days
180 psi (min)
4.5.3.19 and
4.5.3.19.2
3
Dead load shear resistance
0.1 inch slippage (max)
4.5.3.19.3
under 50 psi stress at
180±5 °F for 8 hours
4
Peel adhesion aluminum
15 psi (min)
4.5.3.20 and
strip to coated fabric
4.5.3.20.1
(initial)
5
Peel adhesion of aluminum
strip to coated fabric after
immersion in distilled
water at 160±2 °F for the
following durations:
14 days
12 psi
D429 method B,
4.5.3.20 and
4.5.3.20.1
42 days
10 psi
D429 method B,
4.5.3.20 and
4.5.3.20.1
3.3.3.2 Thread sealant. A thread sealant shall be used on threaded fasteners when those
threaded fasteners are subject to leakage.
3.4 Maintainability. The tank shall exhibit no degradation in performance after
maintenance operations using the repair parts furnished with the tank (see 4.5.2).
3.5 Tank performance.
3.5.1 Description. The tank shall transport water in a safe and efficient manner. The
tank and components shall withstand folded storage at ambient temperatures from -30 to 160 °F
without damage or leakage when subsequently filled with water (see 4.5.3.3 and 4.5.3.4). The
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