5305-01-211-1438, SCREW,TAPPING

National Stock Number:
5305-01-211-1438

Federal Supply Class:
5305

National Item Identification Number:
012111438

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:

9418055

24617

GENERAL MOTORS CORP

Techincal Specification:

EXTENDED WASHER DIAMETER	0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
EXTENDED WASHER THICKNESS	0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
FASTENER LENGTH	0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
FEATURES PROVIDED	CASEHARDENED
HEAD HEIGHT	0.202 INCHES MINIMUM AND 0.240 INCHES MAXIMUM
HEAD STYLE	HEXAGON EXTENDED WASHER
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL DOCUMENT AND CLASSIFICATION	GM 6010-M,FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIAL	STEEL OVERALL
NONMACHINE NOMINAL THREAD DIAMETER	0.250 INCHES
NONMACHINE THREAD STYLE	WIDE FLUTE (TYPE T)
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	GM 4252-M,FSCM 24617 MFR REF ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT	CADMIUM OR ZINC OVERALL

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