5305-01-589-5571 SCREW,MACHINE Index 5305-01-589-6158 SCREW,SHOULDER

National Stock Number:
5305-01-589-6026

Federal Supply Class:
5305

National Item Identification Number:
015896026

Description:
SCREW,MACHINE

Detail:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.


Manufacturer Information:
1001012661C19MIL-COTS CORPORATION
12759-010380Y3H3FASTENAL COMPANY
318170Y3H3FASTENAL COMPANY


Techincal Specification:
EXTENDED WASHER DIAMETER0.398 INCHES MINIMUM AND 0.432 INCHES MAXIMUM
EXTENDED WASHER THICKNESS0.022 INCHES MINIMUM AND 0.039 INCHES MAXIMUM
FASTENER LENGTH0.750 INCHES NOMINAL
HEAD HEIGHT0.139 INCHES MINIMUM AND 0.155 INCHES MAXIMUM
HEAD STYLEHEXAGON EXTENDED WASHER
HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM F1941, FE/ZN 3 AT ASSN STD SINGLE TREATMENT RESPONSE
HEAD SURFACE TREATMENTZINC
NOMINAL THREAD DIAMETER0.216 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCYUNSLOTTED HEX WASHER HEAD SELF DRILL SCREW
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM F1941, FE/ZN 3 AT ASSN STD SINGLE TREATMENT RESPONSE
SCREW MATERIALSTEEL
SCREW SURFACE TREATMENTZINC
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.750 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH14


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