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|  MIL-T-6396E
3.13 Cleaning. The tanks shall be thoroughly cleaned of rubber particles,
dirt, sand, metal chips, welding flux, or other foreign material while being
assembled and after final assembly.
3.14 Workmanship. For all tanks, workmanship shall be in accordance with
manufacturing practice covering this type of equipment. Neither spot welding
nor riveting through the tank wall shall be permitted on type I tanks. The
acceptable quality level of workmanship for type II tanks shall be in
accordance with MIL-STD-801.
4.
QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection. Unless otherwise specified in the contract
or purchase order, the contractor is responsible for the performance of all
inspection requirements as specified herein. Except as otherwise specified in
the contract or purchase order, the contractor may use his own or any other
facilities suitable for the performance of the inspection requirements
specified herein, unless disapproved by the Government. The Government
reserves the right to perform any of the inspections set forth in the
specification where such inspections are deemed necessary to assure supplies
and services conform to prescribed requirements.
4.2 Classification of inspections.
The examining and testing of tanks shall
be classified as:
Preproduction inspections
a.
(4.3)
b.
Quality conformance inspections
(4.4)
The preproduction inspections shall consist of
4.3 Preproduction inspections.
phase I and phase II tests.
4.3.1 Phase I preproduction test (Types II and III tanks only). Phase I
preproduction tests are those tests accomplished on samples of the
constructions (see 6.4.5) to be used in the manufacture of non-self-sealing
tanks. Phase I tests shall be conducted by the acquisition activity or the
tank manufacturer at a place named by the applicable acquisition activity. The
phase I preproduction tests shall be as listed in table II and described in
4.6.
Phase I test
4.3.1.1 Phase I test samples (typesII and III tanks only).
samples shall consist of:
a.
Two type II, class A and class C; four type II, class B; and two type III
test tanks with outside dimensions of 24 by 30 by 30 inches containing the
necessary fittings. Fitting design shall be approved by the contractor or the
acquisition activity for preproduction tests.
b.
Eight metal side panels (type II tanks only).
c. Eight sheets of backing material 27 by 30 inches and two sheets of backing
material 30 by 30 inches, conforming to type I of MIL-P-8045 or a material
approved by the applicable acquisition activity.
9
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