5305-01-084-4707, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-084-4707

Federal Supply Class:
5305

National Item Identification Number:
010844707

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:

CA21070-4-4HS	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.
GS520CK4-04	26512	NORTHROP GRUMMAN SYSTEMS CORPORATION
GS520CK4-04	58998	FASTENER INNOVATION TECHNOLOGY, INC.

Techincal Specification:

COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH	0.907 INCHES MINIMUM AND 0.927 INCHES MAXIMUM
HEAD DIAMETER	0.360 INCHES MINIMUM AND 0.404 INCHES MAXIMUM
HEAD STYLE	FLAT COUNTERSUNK
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIAL	STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL
SPECIAL FEATURES	THREE 0.035 IN. TO 0.045 IN. WIDE SPLINES IN SHANK AND 120 DEGREES APART,THREAD TO BE DOUBLE LEAD
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.477 INCHES MINIMUM AND 0.636 INCHES MAXIMUM
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

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