5305-01-161-2153, SCREW ASSEMBLY,PANEL

5340-01-161-2155 STANDOFF,THREADED,SPACING

National Stock Number:
5305-01-161-2153

Federal Supply Class:
5305

National Item Identification Number:
011612153

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:

585R981H06	17446	HUCK INTERNATIONAL, INC
585R981H06	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.
585R981H06	58794	FASTENER TECHNOLOGY CORP
585R981H06	97942	NORTHROP GRUMMAN SYSTEMS CORPORATION
CA28099-4-11T	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.

Techincal Specification:

FASTENER LENGTH	1.525 INCHES MINIMUM AND 1.555 INCHES MAXIMUM
HEAD HEIGHT	0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
HEAD STYLE	HEXAGON
MATERIAL ACCOMMODATED THICKNESS	0.625 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE BEARING SURFACE OF HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	FF-W-84 FED SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING
MATERIAL	IRON ALLOY 660 FASTENER
MINIMUM TENSILE STRENGTH	175000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.250 INCHES
SPECIAL FEATURES	HARDNESS RATING 35.0 MIN. AND 43.0 MAX. ON LOCKWASHER; APPLY A SOLID FILMLUBRICANT TO THE SCREW THREADS ONLY IN ACCORD WITH MIL-L-8937
WIDTH BETWEEN FLATS	0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
SURFACE TREATMENT	PASSIVATE BEARING SURFACE OF HEAD
SURFACE TREATMENT	PASSIVATE PRIMARY WASHER
SURFACE TREATMENT	PASSIVATE SECONDARY WASHER
SURFACE TREATMENT	PASSIVATE STAND-OFF
SURFACE TREATMENT	PASSIVATE SPRING
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.500 INCHES NOMINAL
THREAD QUANTITY PER INCH	28
THREAD SERIES DESIGNATOR	UNF

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