5305-00-145-0820 SCREW,CAP,SOCKET HEAD Index 5306-00-145-0823 BOLT,SHEAR

National Stock Number:
5305-00-145-0821

Federal Supply Class:
5305

National Item Identification Number:
001450821

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:
FFB56181348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS16992-63596906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
FASTENER LENGTH1.500 INCHES NOMINAL
HEAD HEIGHT0.150 INCHES MINIMUM AND 0.188 INCHES MAXIMUM
HEAD STYLEHEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C 591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 651 OVERALL
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 STYLE AND D GRADE
NONMACHINE NOMINAL THREAD DIAMETER0.250 INCHES
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
SHOULDER LENGTH0.250 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER DIAMETER0.237 INCHES MINIMUM AND 0.260 INCHES MAXIMUM FIRST SHOULDER
WIDTH BETWEEN FLATS0.425 INCHES MINIMUM AND 0.438 INCHES MAXIMUM


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