8140-00-038-9991 COVER ASSEMBLY Index 8140-00-038-9995 COVER,SHIPPING AND STORAGE CONTA

National Stock Number:
5307-00-038-9994

Federal Supply Class:
5307

National Item Identification Number:
000389994

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:
GS520AW42826512NORTHROP GRUMMAN SYSTEMS CORPORATION
KNNS428JS-13SY29372HOWMET GLOBAL FASTENING SYSTEMS INC.
KNNS428JS-13SZ29372HOWMET GLOBAL FASTENING SYSTEMS INC.


Techincal Specification:
OVERALL LENGTH1.182 INCHES NOMINAL
MATERIALSTEEL
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
SHANK DIAMETER0.250 INCHES NOMINAL
SPECIAL FEATURESNUT END THREADS MADE PER MIL-S-8879
STYLE DESIGNATORSTEPPED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD CLASS2A NUT THREAD
THREAD CLASS2A STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD LENGTH0.370 INCHES NOMINAL STUD THREAD
THREAD LENGTH0.470 INCHES NOMINAL NUT THREAD
THREAD QUANTITY PER INCH16 STUD THREAD
THREAD QUANTITY PER INCH28 NUT THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) STUD THREAD


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