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|  MIL-V-82440 (0S)
Classification of requirements.
The requirements for the
3.1
valve are classified as follows:
PARAGRAPH
QUIREMENT
General Requirements
3.2
Performance Requirements
and Product Characteristics
3.3
Environmental Requirements
3.4
Operational Service Life
3.5
General requirements.
3.2
Data requirements. No data is required by this specification
3.2.1
or approval documents referenced in Section 2 unless specified in con-
tract or purchase order. See 6.2
Preproduction sample. Unless otherwise specified in the con-
3.2.2
tract or purchase order, the preproduction sample of the valve shall be
manufactured using the methods and procedures proposed for production.
The sample will be tested as specified in Section 4 herein and is for
the purpose of determining that prior to starting production, the con-
tractor's production methods are capable of yielding items that comply
with the technical requirements of the contract.
Unless otherwise specified in the contract or
3.2.3
Materials.
purchase order, all materials and treatments of materials and parts used
in the manufacture of the valve shall be in accordance with the applicable
documents listed on BuWeps DL 2526753.
Definitions of terms appear in Section 6.
Definitions.
3.2.4
Performance requirements and Product characteristics. Un-
3.3
less specified otherwise, the valves shall satisfy the following per-
formance requirements when tested as specified in Section 4.
Operation. The valve shall be opened by a pressure of 450
3.3.1
pounds per square inch, gage (psig) applied to the pilot port, causing
a piston-driven knife completely to sever a disc.
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