MIL-DTL-83797C
4.4.5 Failures. One or more failures shall be cause for refusal to grant qualification approval.
4.4.6 Summary of test. If the summary of test results indicates nonconformance with the
requirements specified herein but the corrective measures acceptable to the qualifying activity has not
been taken, action may be taken to remove the failing product from the QPL.
4.4.7 Qualification inspection schedule. The sample(s) shall be subjected to the qualification
inspections specified in table IV and in the sequence specified in table IV. Hose assembly lengths for
samples 9 through 12 are specified in table V.
TABLE IV. Qualification inspection schedule.
Sample number and sample length
Inspection
Hose
Hose assembly
requirements
1, 2
3, 4
5, 6
7, 8
9, 10
11, 12
13, 14
3 in.
18 in.
18 in.
18 in.
see table V
see table V
18 in.
Visual examination
X
X
X
X
X
X
X
Cleanliness
X
X
X
X
X
X
X
Dimensions
X
X
X
X
X
X
X
Reduction in diameter
X
Field attachability
X
X
X
X
X
X
Inner tube bulge
X
X
Proof pressure
X
X
X
X
X
X
Elongation or contraction
X
Bending and vacuum
X
Fuel immersion
X
Oil immersion
X
Cold temperature deflection
X
Oil circulation
X
Leakage
X
Corrosion
X
Burst pressure
X
TABLE V. Hose assembly lengths for samples 9-12.
Dash
-03
-04
-05
-06
-08
-10
-12
-16
-20
-24
-32
number
Hose assy.
10
10
12
12
15
18
20
24
28
30
43
length
(25.4)
(25.4)
(30.5)
(30.5)
(38.1)
(45.7)
(50.8)
(61.0)
(71.1)
(76.2)
(109.2)
inches (cm)
4.4.8 Elastomeric fingerprinting. "Elastomeric fingerprinting in accordance with Defense Technical
Information Center document ADA229906 shall be made by a comparative analysis between the first and
subsequent production runs of the rubber compound. This procedure, coupled with industry standard
physical tests, will enable rigorous configuration control of the production of rubber goods. The
elastomeric fingerprinting procedure shall be based on acetone extraction, Fourier Transform Infra-Red
(FTIR) spectroscopy, and thermogravimetry. The elastomeric fingerprinting procedure is intended for use
in Government/commercial procurements where the purchaser does not own the rubber compound
formulations, yet requires production consistent with the first, approved rubber product.
12
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