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


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