3040-00-940-0375 BELL CRANK Index 4930-00-940-0383 COVER ASSY,FILTER

National Stock Number:
5307-00-940-0377

Federal Supply Class:
5307

National Item Identification Number:
009400377

Description:
STUD,RECESSED AND 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 UNTHREADED SECTION MUST HAVE MORE THAN ONE DIAMETER, NONE OF WHICH MAY BE LARGER THAN THE MAXIMUM MAJOR DIAMETER OF THE LARGER THREAD. IT MAY BE THREAD RELIEVED. EXCLUDES ITEMS WITH TAPERED THREADS.


Manufacturer Information:
877B-4MB-1701556STANLEY ENGINEERED FASTENING LLC
99-418699167HAMILTON SUNDSTRAND CORPORATION
S245-3-610ASPL01556STANLEY ENGINEERED FASTENING LLC


Techincal Specification:
DIAMETER OF RECESSED PORTION OF SHANK0.239 INCHES MINIMUM AND 0.249 INCHES MAXIMUM
LENGTH OF RECESSED PORTION OF SHANK0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
OVERALL LENGTH1.000 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 4130
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD
NOMINAL THREAD SIZE0.312 INCHES STUD THREAD
PLAIN SHANK DIAMETER0.2435 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM
STYLE DESIGNATORRECESSED AND STEPPED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD CLASS3A NUT THREAD
THREAD CLASS3A STUD THREAD
THREAD LENGTH0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM NUT THREAD
THREAD LENGTH0.313 INCHES MINIMUM AND 0.353 INCHES MAXIMUM STUD THREAD
THREAD SERIES DESIGNATORUNC STUD THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD QUANTITY PER INCH18 STUD THREAD
THREAD QUANTITY PER INCH28 NUT THREAD


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