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|  MIL-S-27332B(USAF)
(Copies of specifications and standards required by manufacturers in con-
nection with specific acquisition functions should be obtained from the con-
tracting activity or as directed by the contracting officer.)
2.1.2 Other Government documents, drawings, and publications. The follow-
ing other Government documents form a part of this specifications to the extent
specified herein.
NATIONAL BUREAU OF STANDARDS
H4-1 - Federal Supply Code for Manufacturers.
(Application for copies should be addressed to the Superintendent of Docu-
ments, Government Printing Office, Washington, D.C. 20402.)
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)
ASTM D 3951-82 - Packaging, Commercial - 29 Jan 82
(Application for copies of ASTM publications should be addressed to the
American Soceity for Testing and Materials, 1916 Race Street, Philadelphia, PA
19103.)
2.1.3 Order of precedence. In the event of a conflict between the text of
this specification and this the references cited herein, the text of this specifi-
cation shall take precedence.
3.
REQUIREMENTS
3.1 First article.
This specification makes provisions for first article
testing.
3.2 Selection of specifications and standards. Specifications and stand-
ards for necessary commodities and services not specified herein shall be
selected in accordance with MIL-STD-143.
3.3 Materials. The materials used in the manufacture of polyurethane foam
for seat cushion inserts shall be high quality, uncored, open-celled, polyether
polyurethane. The material shall be prefoamed and cut to the required shape.
3.4 Configuration. The seat cushion inserts shall have the dimensions and
dimensional tolerances specified on the applicable drawings.
3.5 Performance.
3.5.1 Load deflection characteristics (50 square inch indenter foot).
Deflection by means of a 50 square inch deflector foot shall produce the values
specified in table I. The size of the test sample shall consist of the entire
seat cushion insert. Samples less than 4 + 1/8 inches in height shall be plied
up, without the use of cement, to a height of 4 +1/8 inches. If the entire
seat cushion insert has dimensions less than 15 by 15 inches or a height
greater than 4 +1/8 inches, a test sample of the seat cushion insert material
having dimensions of 18 by 18 by 4 +1/8 inches shall be submitted for tests.
2
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