5305-01-021-2520, SCREW,TAPPING

National Stock Number:
5305-01-021-2520

Federal Supply Class:
5305

National Item Identification Number:
010212520

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
MS51869C15	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

NONMACHINE NOMINAL THREAD DIAMETER	0.190 INCHES
FASTENER LENGTH	0.720 INCHES MINIMUM AND
	0.750 INCHES MAXIMUM
MATERIAL	STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	HEXAGON EXTENDED WASHER
HEAD HEIGHT	0.105 INCHES MINIMUM AND
	0.120 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.305 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM
EXTENDED WASHER DIAMETER	0.384 INCHES MINIMUM AND
	0.414 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.019 INCHES MINIMUM AND
	0.031 INCHES MAXIMUM
SPECIAL FEATURES	TRIANGLE /TAPITE/ SHAPE THREADS
NONDEFINITIVE SPEC/STD DATA	SF TYPE OR
	SW TYPE OR
	TT TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FF-S-107
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS51869C15

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