5305-01-212-4557, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-212-4557

Federal Supply Class:
5305

National Item Identification Number:
012124557

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:

12703500-1	19200	US ARMY ARDEC RDECOM
DPY7900P-8F-B-3	17446	HUCK INTERNATIONAL, INC
DPY7900P-8F-B-3	97928	HUCK INTL INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.164 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES NOMINAL
FASTENER LENGTH	0.525 INCHES MINIMUM AND
	0.545 INCHES MAXIMUM
MATERIAL	ALUMINUM ALLOY 6061 STAND-OFF
	STEEL COMP 302 OR
	STEEL COMP 304 OR
	STEEL COMP 305 OR
	STEEL COMP 316 OR
	STEEL COMP 384 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
	ASTMA493 ASSN STD ALL MATERIAL RESPONSES FASTENER
SURFACE TREATMENT	PASSIVATE STAND-OFF
	ANODIZE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF
	MIL-A-8625,TY1,CL1 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
HEAD STYLE	FLAT COUNTERSUNK
HEAD DIAMETER	0.340 INCHES MINIMUM AND
	0.350 INCHES MAXIMUM
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND
	101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL ACCOMMODATED THICKNESS	0.090 INCHES MINIMUM AND
	0.125 INCHES MAXIMUM

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