4820-20-001-7931 VALVE,CHECK Index 4820-20-001-7935 VALVE,BALL

National Stock Number:
5999-20-001-7934

Federal Supply Class:
5999

National Item Identification Number:
200017934

Description:
MOUNTING PAD,ELECTRICAL-ELECTRON

Detail:
AN ITEM FABRICATED FROM ELECTRICALLY NONCONDUCTIVE MATERIAL SPECIFICALLY DESIGNED TO PROVIDE A SUPPORT FOR MOUNTING AN ELECTRICAL AND/OR AN ELECTRONIC COMPONENT SUCH AS A SEMICONDUCTOR DEVICE, RELAY, OR RESISTOR INTO THE NEXT HIGHER ASSEMBLY. IT ISOLATES THE COMPONENT FROM THE MOUNTING SURFACE OF THE NEXT HIGHER ASSEMBLY, IT MAY ACT AS A STRAIN RELIEF TO AVOID DAMAGE TO THE COMPONENT SEAL, AND IT MAY PERMIT SOLDERING OF THE COMPONENT TO THE NEXT HIGHER ASSEMBLY WITHOUT DAMAGE. IT INCLUDES HOLES, NOTCHES, OR OTHER PROVISIONS FOR PHYSICAL ALIGNMENT AND SPACING OF ELECTRICAL LEADS AND/OR OTHER MOUNTING FACILITIES PROJECTING FROM THE COMPONENT IT MOUNTS. IT MAY ALSO AFFORD PROTECTION FROM SHOCK OR VIBRATION. IT MAY BE EITHER NONTHERMALLY CONDUCTIVE WHICH PROTECTS THE COMPONENT FROM TEMPERATURE CHANGES IN THE NEXT HIGHER ASSEMBLY OR IT MAY BE THERMALLY CONDUCTIVE WHICH PERMITS HEAT GENERATED IN THE COMPONENT TO BE DRAINED OUT TO A HEAT SINK. FOR ITEMS WHOSE FUNCTION IS ELECTRICAL INSULATION ONLY, SEE INSULATOR, (AS MODIFIED). EXCLUDES HOLDER, (AS MODIFIED); RETAINER, (AS MODIFIED), AND SPACER, PLATE.


Manufacturer Information:
717-688-DWG REV N38370PIVOTAL POWER INC
717-688A38370PIVOTAL POWER INC
843-03-DWG ITEM 16638370PIVOTAL POWER INC


Techincal Specification:
BODY STYLERECTANGULAR
OVERALL LENGTH45.0 MILLIMETERS NOMINAL
OVERALL WIDTH21.0 MILLIMETERS NOMINAL
SPECIAL FEATURESMADE FROM NOMEX SHEET,0.015 INCHES THICK
SPECIFICATION/STANDARD DATA38370-717-688A MANUFACTURERS SPECIFICATION


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