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National Stock Number:
5999-01-428-2676
Federal Supply Class:
5999
National Item Identification Number:
014282676
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.
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Manufacturer Information:
| 211926 | 21877 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| ACCOMMODATED DEVICE MOUNTING HOLE QUANTITY | 2 | | BODY STYLE | RECTANGULAR | | OVERALL HEIGHT | 0.400 INCHES NOMINAL | | OVERALL LENGTH | 3.560 INCHES NOMINAL | | OVERALL WIDTH | 0.310 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-I-24768/9-S-17, TYPE NPG MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | PLASTIC POLYAMIDE NYLON | | MOUNTING FACILITY TYPE AND QUANTITY | 2 THREADED HOLE(S) ALL MOUNTING FACILITIES | | NOMINAL THREAD SIZE | 2.000 INCHES SINGLE MOUNTING FACILITY | | SPECIAL FEATURES | ITEM IS RECTANGULAR WITH BOTH ENDS BEING 0.400 INCHES HIGH, MIDDLE SECTION BEING 0.120 INCHES HIGH. TWO THREADED HOLES, AND EIGHT UNTHREADED 0.025 INCH (NOMINAL) HOLES ALONG LENGTH. | | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY | | THREAD QUANTITY PER INCH | 40 SINGLE MOUNTING FACILITY | | THREAD TOLERANCE CLASS | 2B INTERNAL SINGLE MOUNTING FACILITY |
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