5325-00-587-4243 GROMMET,METALLIC Index 5310-00-587-4247 NUT,PLAIN,HEXAGON

National Stock Number:
5305-00-587-4245

Federal Supply Class:
5305

National Item Identification Number:
005874245

Description:
SCREW,LAG

Detail:
AN EXTERNALLY THREADED FASTENER HAVING A SQUARE OR HEXAGON HEAD AND WITH A CONTINUOUS THREAD (WOOD SCREW TYPE OR FETTER TYPE) EXTENDING FROM A GIMLET OR CONE POINT FOR A DISTANCE OF SLIGHTLY MORE THAN ONE-HALF THE LENGTH OF THE SCREW.


Manufacturer Information:
10230221450ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
58297400000ORDNANCE CORPS
58298500000ORDNANCE CORPS
FFB561ATYPE1230R4GRADEC81348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC


Techincal Specification:
NONMACHINE THREAD STYLEWOOD SCREW (TYPE WD)
NONMACHINE NOMINAL THREAD DIAMETER0.312 INCHES
FASTENER LENGTH3.000 INCHES NOMINAL
MATERIALSTEEL OVERALL
HARDNESS RATING95.0 ROCKWELL B MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH
HEAD STYLESQUARE
HEAD HEIGHT0.203 INCHES NOMINAL
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFFB561ATYPE1230R4GRADEC


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