4540-01-023-0773 HEATING ELEMENT,ELECTRICAL,IMMER Index 5310-01-023-0777 WASHER,FLAT

National Stock Number:
5310-01-023-0774

Federal Supply Class:
5310

National Item Identification Number:
010230774

Description:
NUT,PLAIN,KNURLED

Detail:
A NUT, ROUND IN SHAPE, HAVING ALL OR PART OF ITS OUTER SURFACE KNURLED. IT MAY HAVE PROVISIONS FOR EXTERNAL WRENCHING. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE OUTSIDE DIAMETER, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. SEE ALSO NUT (1), PLAIN, ROUND. (WHEN HEIGHT OR THICKNESS, AND/OR OUTSIDE DIAMETER IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE).


Manufacturer Information:
301241-00355588EATON ELECTRICAL INC. DBA CUTTLER HMMER CMRCL CNTRLS DIV DIV VEHICLE CONTROLS BUSINESS UNIT
301241-20255588EATON ELECTRICAL INC. DBA CUTTLER HMMER CMRCL CNTRLS DIV DIV VEHICLE CONTROLS BUSINESS UNIT
7904280-0190536LOCKHEED MARTIN CORP


Techincal Specification:
THREAD SERIESUNS
NOMINAL THREAD SIZE0.250 INCHES
THREAD QUANTITY PER INCH40
THREAD PITCH DIAMETERS0.2338 TO 0.2376 INCHES
THREAD DIRECTIONRIGHT-HAND
MATERIALALUMINUM ALLOY 2011 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONT3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTANODIZE OR
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR
MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
NUT STYLEKNURLED
NUT DIAMETER0.360 INCHES MINIMUM AND
0.365 INCHES MAXIMUM
NUT THICKNESS0.062 INCHES NOMINAL


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