3815-01-128-5655 BOOM,HOIST SUPPORT Index 5305-01-128-5657 SETSCREW

National Stock Number:
5305-01-128-5656

Federal Supply Class:
5305

National Item Identification Number:
011285656

Description:
SCREW,ASSEMBLED WASHER

Detail:
A SCREW, (as modified) to which has been assembled one or more nonremovable washer(s).


Manufacturer Information:
1166868019207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH16
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.836 INCHES MINIMUM AND
0.866 INCHES MAXIMUM
FASTENER LENGTH0.970 INCHES MINIMUM AND
1.000 INCHES MAXIMUM
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFF-B-575 FED SPEC 1ST MATERIAL RESPONSE AND
QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OVERALL
HEAD STYLEHEXAGON
HEAD HEIGHT0.270 INCHES MINIMUM AND
0.295 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND
0.562 INCHES MAXIMUM
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
WASHER QUANTITY1
PRIMARY WASHER STYLESPLIT HELICAL RING
PRIMARY WASHER OUTSIDE DIAMETER0.635 INCHES MINIMUM AND
0.651 INCHES MAXIMUM
PRIMARY WASHER MATERIAL THICKNESS0.094 INCHES NOMINAL
SPECIAL FEATURESDRILLED HOLE IN THREADED END 0.166 IN. DIA,0.270 INS HOLE CENTER TO END OF FASTENER,USED FOR INSERTION OF NYLON PELLET
THE MANUFACTURERS DATA
MANUFACTURERS CODE19207
DESIGN CONTROL REFERENCE11668680


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