5305-01-256-4471, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-256-4471

Federal Supply Class:
5305

National Item Identification Number:
012564471

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:

482148-109	3B150	RAYTHEON COMPANY
482148-109	49956	RAYTHEON COMPANY
FRBWW7500-12-B-5	0HDW7	HUCK INTERNATIONAL, INC.
FT1200-12-2-5	58794	FASTENER TECHNOLOGY CORP
FRBWW7500-12-B-5	97928	HUCK INTL INC

Techincal Specification:

FASTENER LENGTH	0.622 INCHES MINIMUM AND 0.632 INCHES MAXIMUM
HEAD DIAMETER	0.531 INCHES NOMINAL
HEAD HEIGHT	0.530 INCHES NOMINAL
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	SLOT
MATERIAL ACCOMMODATED THICKNESS	0.032 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AISI ASSN STD SINGLE MATERIAL RESPONSE SECONDARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL	ALUMINUM ALLOY 6061 HEAD
MATERIAL	ALUMINUM ALLOY 6061 STAND-OFF
MATERIAL	STEEL COMP 1050 SECONDARY WASHER
MATERIAL	STEEL COMP 301 PRIMARY WASHER
MATERIAL	STEEL COMP 302 SPRING
MATERIAL	STEEL COMP 303 FASTENER
NOMINAL THREAD DIAMETER	0.250 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
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 SPRING
SURFACE TREATMENT	ANODIZE HEAD
SURFACE TREATMENT	ANODIZE STAND-OFF
SURFACE TREATMENT	PASSIVATE FASTENER
SURFACE TREATMENT	PASSIVATE PRIMARY WASHER
SURFACE TREATMENT	PASSIVATE SECONDARY WASHER
SURFACE TREATMENT	PASSIVATE SPRING
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD SERIES DESIGNATOR	UNF
THREAD QUANTITY PER INCH	28

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