5305-01-352-3319, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-352-3319

Federal Supply Class:
5305

National Item Identification Number:
013523319

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:

13234977-4	18876	U S ARMY AVIATION AND MISSILE COMMAND
FRS7500-12-B-5	0HDW7	HUCK INTERNATIONAL, INC.
FT1058-12-2-5	58794	FASTENER TECHNOLOGY CORP
FRS7500-12-B-5	97928	HUCK INTL INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
FASTENER LENGTH	1.230 INCHES MINIMUM AND
	1.270 INCHES MAXIMUM
MATERIAL	STEEL COMP 302 SECONDARY WASHER
	STEEL COMP 302 PRIMARY WASHER
	STEEL COMP 302B SPRING
	STEEL CORROSION RESISTING STAND-OFF
	STEEL FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER
	MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
	QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING
	QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OR
	MIL-S-23195 MIL SPEC SINGLE MATERIAL RESPONSE STAND-OFF
	ASTM-A-493 300 SERIES ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.531 INCHES NOMINAL
HEAD HEIGHT	0.530 INCHES NOMINAL
INTERNAL DRIVE STYLE	SLOT
MATERIAL ACCOMMODATED THICKNESS	0.032 INCHES MINIMUM AND
	0.093 INCHES MAXIMUM
SPECIAL FEATURES	KNURLED HEAD

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