5305-01-352-2191, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-352-2191

Federal Supply Class:
5305

National Item Identification Number:
013522191

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:

334057P01	33654	HOWDEN FLUID SYSTEMS
334057P01	59027	MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT WESTERN DESIGN
FT-1255-HS-4-3-P	58794	FASTENER TECHNOLOGY CORP
FT1255HS-4-3-9	58794	FASTENER TECHNOLOGY CORP

Techincal Specification:

FASTENER LENGTH	0.542 INCHES MINIMUM AND 0.582 INCHES MAXIMUM
HEAD DIAMETER	0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
HEAD HEIGHT	0.169 INCHES MAXIMUM
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL ACCOMMODATED THICKNESS	0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL	ALUMINUM ALLOY 7075 STAND-OFF
MATERIAL	STEEL COMP 303 PLUS X OR STEEL COMP 303 OR STEEL COMP 303SE FASTENER
NOMINAL THREAD DIAMETER	0.112 INCHES
WIDTH ACROSS FLATS	0.094 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 TY1 CL2 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	ANODIZE STAND-OFF
SURFACE TREATMENT	CADMIUM AND CHROMATE FASTENER
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.250 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH	40

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