5305-01-170-6204, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-170-6204

Federal Supply Class:
5305

National Item Identification Number:
011706204

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:

952922-33	06481	NORTHROP GRUMMAN SYSTEMS CORPORATION
DPY 7900-4-B-2.	97928	HUCK INTL INC
DPY7900-4-B-2.5	0HDW7	HUCK INTERNATIONAL, INC.
DPY 7900-4-B-2.5	17446	HUCK INTERNATIONAL, INC
DPY7900-4-B-2.5	97928	HUCK INTL INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.112 INCHES
THREAD QUANTITY PER INCH	40
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.175 INCHES NOMINAL
FASTENER LENGTH	0.472 INCHES MINIMUM AND
	0.482 INCHES MAXIMUM
MATERIAL	COPPER ALLOY 360 STAND-OFF
	STEEL COMP 4037 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
SURFACE TREATMENT	CADMIUM STAND-OFF
	CADMIUM FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF
	QQ-P-416,TYPE 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HARDNESS RATING	34.0 ROCKWELL C MINIMUM AND
	38.0 ROCKWELL C MAXIMUM FASTENER
HEAD STYLE	FLAT COUNTERSUNK
HEAD DIAMETER	0.231 INCHES NOMINAL
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND
	101.0 DEGREES MAXIMUM
MATERIAL ACCOMMODATED THICKNESS	0.090 INCHES MINIMUM AND
	0.125 INCHES MAXIMUM

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