5310-00-145-1979 WASHER,FLAT Index 5310-00-145-1988 NUT STRIP

National Stock Number:
5307-00-145-1980

Federal Supply Class:
5307

National Item Identification Number:
001451980

Description:
STUD,STEPPED

Detail:
A HEADLESS FASTENER NOT EXCEEDING 12 INCHES (304.8 MM) IN LENGTH, THREADED EXTERNALLY ON BOTH ENDS ON WHICH THE NOMINAL DIAMETER OF ONE THREADED SECTION IS GREATER THAN THE OTHER. THE ENTIRE UNTHREADED PORTION MUST BE OF A SINGLE DIAMETER EQUAL TO OR SMALLER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGER THREADED END. INCLUDES RADIAL GROOVES OR THREAD RELIEFS. EXCLUDES ITEMS WITH TAPERED THREADS.


Manufacturer Information:
A02R2941-477272THE BOEING COMPANY


Techincal Specification:
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
OVERALL LENGTH1.620 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 8740
NOMINAL THREAD SIZE0.438 INCHES NUT THREAD
SHANK DIAMETER0.399 INCHES MINIMUM AND 0.409 INCHES MAXIMUM
STYLE DESIGNATORSTEPPED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A NUT THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD LENGTH0.318 INCHES NOMINAL STUD THREAD
THREAD LENGTH0.938 INCHES MINIMUM NUT THREAD
THREAD PITCH DIAMETERS+0.4523 TO 0.4538 INCHES STUD THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD QUANTITY PER INCH20 NUT THREAD


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