5330-01-239-4002 GASKET Index 5999-01-239-4004 SHIELDING GASKET,ELECTRONIC

National Stock Number:
5999-01-239-4003

Federal Supply Class:
5999

National Item Identification Number:
012394003

Description:
SHIELDING GASKET,ELECTRONIC

Detail:
A SHAPED METALLIC ITEM DESIGNED TO INCREASE THE EFFECTIVENESS OF RADIO FREQUENCY/ELECTROMAGNETIC INTERFERENCE, OR A NONMETALLIC ITEM CONTAINING A WIRE MESH, METAL, OR OTHER ELECTRICALLY CONDUCTIVE PARTICLES DESIGNED TO PROVIDE ENVIRONMENTAL SEALING AND RADIO FREQUENCY/ELECTROMAGNETIC INTERFERENCE SHIELDING. FOR BULK ITEMS SEE WIRE MESH, KNITTED OR GASKETING MATERIAL, CONDUCTIVE.


Manufacturer Information:
266128356232LOCKHEED MARTIN CORPORATION
539992253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
APERTURE WIDTH1.940 INCHES NOMINAL
APERTURE LENGTH6.690 INCHES NOMINAL
BOLT HOLE QUANTITY8
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.500 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.250 INCHES NOMINAL
CROSS-SECTIONAL HEIGHT0.026 INCHES MINIMUM AND 0.041 INCHES MAXIMUM
CROSS-SECTIONAL SHAPE STYLEWIRE AND COMPOSITION
HOLE DIAMETER0.221 INCHES NOMINAL
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH2.220 INCHES NOMINAL
OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH2.220 INCHES NOMINAL
OVERALL LENGTH7.690 INCHES NOMINAL
OVERALL WIDTH2.930 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC 1ST MATERIAL RESPONSE AND ZZ-R-765 GRADE III-25 FED SPEC 1ST MATERIAL RESPONSE EMI/RFI CONDUCTOR
MATERIALNICKEL ALLOY 400 AND SILICON EMI/RFI CONDUCTOR
STYLE DESIGNATORNON-CIRCULAR


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