5305-01-434-6593, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-434-6593

Federal Supply Class:
5305

National Item Identification Number:
014346593

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:

1395PD7777-008	72314	BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.
FT1031-4	58794	FASTENER TECHNOLOGY CORP

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES NOMINAL
FASTENER LENGTH	0.901 INCHES NOMINAL
MATERIAL	STEEL CORROSION RESISTING SECONDARY WASHER
	STEEL COMP 301 PRIMARY WASHER
	STEEL COMP 302 SPRING
	ALUMINUM ALLOY 6061 STAND-OFF
	STEEL COMP 302 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
	QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING
	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
	ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE PRIMARY WASHER
	PASSIVATE SPRING
	ANODIZE STAND-OFF
	PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER
	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
	MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.306 INCHES NOMINAL
WIDTH BETWEEN FLATS	0.371 INCHES NOMINAL
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.140 INCHES NOMINAL
MATERIAL ACCOMMODATED THICKNESS	0.188 INCHES MINIMUM AND
	0.250 INCHES MAXIMUM

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