5305-01-456-9639, SCREW ASSEMBLY,PANEL

6540-01-456-9638 TONOMETER,OPHTHALMIC,ELECTRONIC

1560-01-456-9640 PANEL,STRUCTURAL,AIRCRAFT

National Stock Number:
5305-01-456-9639

Federal Supply Class:
5305

National Item Identification Number:
014569639

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:

DPY79000P-M6-B- 4	17446	HUCK INTERNATIONAL, INC
DPY79000P-M6-B-4	97928	HUCK INTL INC

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
EXTERNAL THREAD TOLERANCE CLASS	6G
FASTENER LENGTH	0.650 INCHES MINIMUM AND 0.670 INCHES MAXIMUM
HEAD DIAMETER	0.409 INCHES MINIMUM AND 0.419 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1
MATERIAL ACCOMMODATED THICKNESS	0.090 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM-A-493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL	ALUMINUM ALLOY 6061 STAND-OFF
MATERIAL	STEEL CORROSION RESISTING FASTENER
NOMINAL THREAD DIAMETER	6.0 MILLIMETERS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 TY 1, CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	ANODIZE STAND-OFF
SURFACE TREATMENT	PASSIVATE FASTENER
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.281 INCHES NOMINAL
THREAD SERIES DESIGNATOR	ISO S
THREAD PITCH IN MILLIMETERS	1.0

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