5305-01-419-8364, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-419-8364

Federal Supply Class:
5305

National Item Identification Number:
014198364

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:

585R981H08	17446	HUCK INTERNATIONAL, INC
585R981H08	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.
585R981H08	58794	FASTENER TECHNOLOGY CORP
585R981H08	97942	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.600 INCHES NOMINAL
FASTENER LENGTH	0.787 INCHES NOMINAL
MATERIAL	STEEL COMP 301 OR
	STEEL COMP 302 SECONDARY WASHER
	STEEL CORROSION RESISTING PRIMARY WASHER
	STEEL COMP 302 SPRING
	STEEL CORROSION RESISTING STAND-OFF
	STEEL CORROSION RESISTING FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER
	FF-W-84 FED STD SINGLE MATERIAL RESPONSE PRIMARY WASHER
	QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING
	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
	AMS5629 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MINIMUM TENSILE STRENGTH	175000 POUNDS PER SQUARE INCH
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.172 INCHES MINIMUM AND
	0.190 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND
	0.375 INCHES MAXIMUM
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL ACCOMMODATED THICKNESS	0.625 INCHES NOMINAL
SPECIAL FEATURES	APPLY SOLID FILM LUBRICANT TO SCREW THREADS ONLY I/A/W MIL-L-6937

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