5305-01-325-4597, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-325-4597

Federal Supply Class:
5305

National Item Identification Number:
013254597

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:

MS3498-11	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
MS3498-11	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

FASTENER LENGTH	0.533 INCHES MINIMUM AND 0.563 INCHES MAXIMUM
HEAD DIAMETER	0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD HEIGHT	0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM
HEAD STYLE	PAN
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL ACCOMMODATED THICKNESS	0.152 INCHES MINIMUM AND 0.160 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	MS5640 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	ALUMINUM ALLOY 2011 STAND-OFF
MATERIAL	STEEL COMP 303 FASTENER
NOMINAL THREAD DIAMETER	0.138 INCHES
SPECIAL FEATURES	COLOR GRAY EXOXY PAINT NO.36231
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	PERMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT	ANODIZE STAND-OFF
SURFACE TREATMENT	PAINT FASTENER
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.225 INCHES MINIMUM AND 0.235 INCHES MAXIMUM
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	32

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