5305-01-477-5997, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-477-5997

Federal Supply Class:
5305

National Item Identification Number:
014775997

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:

3M869-3A4	76301	THE BOEING COMPANY
CS3047-3A4	58998	FASTENER INNOVATION TECHNOLOGY, INC.
HSG7900-3A4	17446	HUCK INTERNATIONAL, INC
HSG7900-3A4	97928	HUCK INTL INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNJF
NOMINAL THREAD DIAMETER	0.1900 INCHES
THREAD QUANTITY PER INCH	32
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.281 INCHES NOMINAL
FASTENER LENGTH	0.975 INCHES MINIMUM AND
	1.005 INCHES MAXIMUM
MATERIAL	STEEL CORROSION RESISTING SPRING
	STEEL COMP 304 STAND-OFF
	IRON ALLOY 660 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING
	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
	AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE SPRING
	PASSIVATE STAND-OFF
	PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-23 FED SPEC SINGLE TREATMENT RESPONSE SPRING
	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF
	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HEAD STYLE	HEXAGON
HEAD HEIGHT	0.105 INCHES MINIMUM AND
	0.120 INCHES MAXIMUM
WIDTH BETWEEN FLATS	0.305 INCHES MINIMUM AND
	0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE	SLOT
MATERIAL ACCOMMODATED THICKNESS	0.031 INCHES MINIMUM AND
	0.062 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCY	SCREW ASSEMBLY PANEL CAPTIVE SPRING LOADED

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