5305-01-242-6986 SCREW,MACHINE Index 5305-01-242-6988 SCREW,CAP,HEXAGON HEAD

National Stock Number:
5305-01-242-6987

Federal Supply Class:
5305

National Item Identification Number:
012426987

Description:
SCREW,TAPPING

Detail:
A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes SCREW, ASSEMBLED WASHER.


Manufacturer Information:
FF-S-10781348FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51869-C2396906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
NONMACHINE THREAD STYLEBLUNT (SF) OR
BLUNT (TYPE SW) OR
BLUNT (TYPE TT)
NONMACHINE NOMINAL THREAD DIAMETER0.250 INCHES
FASTENER LENGTH0.470 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
MATERIALSTEEL COMP 410 OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEHEXAGON EXTENDED WASHER
HEAD HEIGHT0.202 INCHES MINIMUM AND
0.240 INCHES MAXIMUM
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND
0.375 INCHES MAXIMUM
EXTENDED WASHER DIAMETER0.480 INCHES MINIMUM AND
0.520 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.030 INCHES MINIMUM AND
0.050 INCHES MAXIMUM
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
NONDEFINITIVE SPEC/STD DATASF TYPE OR
SW TYPE OR
TT TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-107
MANUFACTURERS CODE96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMS51869-C23


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