5305-01-234-7579, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-234-7579

Federal Supply Class:
5305

National Item Identification Number:
012347579

Description:
SCREW ASSEMBLY,PANEL

Detail:
A HEADED, THREADED FASTENING DEVICE OVER WHICH MAY BE ASSEMBLED; (1) A STAND-OFF; (2) A FLANGED BUSHING WITH WASHER(S) AND/OR A SHOULDERED BUSHING WITHOUT A FLANGE, OR IT MAY HAVE AN INTERNALLY THREADED SLEEVE THAT IS AN INTEGRAL PART OF THE SCREW; A WASHER AND AN EXTERNALLY THREAD SELF-LOCKING BUSHING THAT IS DRIVEN BY AN INSERTED DRIVER. ATTACHED TO PANEL BY THREADED BUSHING OR BY FLARING END OF STAND-OFF, OR BUSHING. USED IN CONJUNCTION WITH A SPEED NUT, NUT PLATE, OR DRIVEN INTO A THREADED HOLE IN THE ITEM THAT THE PANEL IS FASTENED TO. MAY BE SPRING LOADED.

Manufacturer Information:

21T03-3-11-3AA	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.
CA13240-3-3-11HS	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.
DHS7950-10-C-11	0HDW7	HUCK INTERNATIONAL, INC.

Techincal Specification:

FASTENER LENGTH	0.668 INCHES MINIMUM AND 0.708 INCHES MAXIMUM
HEAD DIAMETER	0.288 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
HEAD HEIGHT	0.270 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL ACCOMMODATED THICKNESS	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5757 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL	ALUMINUM ALLOY STAND-OFF
MATERIAL	IRON ALLOY 660 FASTENER
NOMINAL THREAD DIAMETER	0.190 INCHES
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-55414 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE FASTENER
SURFACE TREATMENT	CHROMATE STAND-OFF
THREAD CLASS	3A
THREAD LENGTH	0.285 INCHES MINIMUM AND 0.325 INCHES MAXIMUM
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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