5305-01-373-8728, SCREW,TAPPING

National Stock Number:
5305-01-373-8728

Federal Supply Class:
5305

National Item Identification Number:
013738728

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-107	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC
MS51869-C3	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

EXTENDED WASHER THICKNESS	0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.302 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
FASTENER LENGTH	0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD HEIGHT	0.106 INCHES NOMINAL
HEAD STYLE	HEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	FED-STD66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 410 OVERALL
NONMACHINE NOMINAL THREAD DIAMETER	0.138 INCHES
NONMACHINE THREAD STYLE	BLUNT (SF) OR BLUNT (TYPE SW) OR BLUNT (TYPE TT)
WIDTH BETWEEN FLATS	0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL

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