3.5.3 Flow fatigue. The filter element shall withstand, without damage,
the number of flow fatigue pressure cycles specified in the specification sheet
3.5.4 Collapse pressure. The filter element shall withstand, without
structural damage, the collapse pressure equal to or greater than the value
specified in the specification sheet (see 4.7.4).
3.5.5 Reverse flow. The filter element shall withstand, without damage,
reverse differential pressure surges and flow to 15
3.5.6 Media migration.
There shall be no media migration from the filter
element (see 4.7.6).
In no case shall parts be physically inter-
changeable or reversible unless such parts are also interchangeable or reversible
with regard to function, performance and strength.
Each filter element shall be clearly and permanently
identified on the end cap and the following information shall be provided:
(a) Filter element part number (see 1.2).
(b) Manufacturer's part or drawing number.
(c) Manufacturer's name or trademark.
3.8 Workmanship. Where dimensions and tolerances may affect the inter-
changeability or performance of the filter, they shall be held or limited
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
4.1.1 Responsibility for compliance.
All items must meet all requirements
of sections 3 and 5. The inspection set forth in this specification shall become
a Part of the contractor's overall inspection system or quality program. The
absence of any inspection requirements in the specification shall not relieve the
contractor of the responsibility of assuring that all products or supplies
submitted to the Government for acceptance comply with all requirements of the
Sampling in quality conformance does not authorize submission of known
defective material, either indicated or actual, nor does it commit the Government
to acceptance of defective material.