The combination of bubbles and inclusions shall not be permitted
because a lesser musher than permissible is found in one area.
3.6.1 Lint.- No lint particles shall exceed 0.25 Inch in projected
length (perpendicular to the light path). Not more than one such lint
particle shall be permitted. No additional lint particles shall exceed
0.125 inch in projected length. The cross-sectional area of all lint
particles shall be computed on the basis of 0.003 inch width and included
in the computation of total projected area. The total projected length
(inches) of all lint particles shall not exceed the following:
M13, M14A1, M17 -
M26, M27, M37, M45 and M17C - 1.35 inch
The maximum combination of lint with bubbles and inclusions shall not be
permitted because a lesser mmber than permissible is found.
3.7 Identification marking,- Identification marking, unless otherwise
specified, shall be in accordance with Standard MIL-STD-130.
QUALITY ASSURANCE PROVISIONS
4.1 Responsibility for inspection.- Unless otherwise specified in
the contract or purchase order, the supplier is responsible for the performance
of all inspection requirements as specified herein. Except as otherwise
specified in the contract or order, the supplier 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 re-
serves the right to perform any of the inspections set forth in the speci-
fication where such inspections are necessary to assure supplies and services
conform to prescribed requirements.
4.1.1 General Provisions.- The component and subassembly inspection
requirements of MIL-F-13926 form a part of the, Quality Assurance Provisions
of this specification. Definitions of inspection terms shall be as listed
4.1.2 Classification of Tests.- The inspection requirements specified
herein are classified as follows:
a. Qualification tests (See 4.2).
b. First Article tests (See 4.3).
c. Quality Conformance Inspection (See 4.4).
4.2 Qualification tests.- Qualification tests shall consist of tests
for all the requirements of this specification. Six (6) periscopes and 6
plastic bodies as delineated in 4.3 shall be submitted to the designated
Government laboratory for testing by the Government. The Items shall be
a. A certification that the construction, materials and work-
manship used in fabrication of the items are representative of the items to
be offered under contract.
A list of all test equipment utilized to perform required