5305-01-290-2707, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-290-2707

Federal Supply Class:
5305

National Item Identification Number:
012902707

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:

2877556-1	52088	LOCKHEED MARTIN CORPORATION
DRB7500HS-10-C-3	0HDW7	HUCK INTERNATIONAL, INC.
DRB7500HS-10-C-3	17446	HUCK INTERNATIONAL, INC
DRB7500HS-10-C-3	97928	HUCK INTL INC

Techincal Specification:

FASTENER LENGTH	0.677 INCHES NOMINAL
HEAD DIAMETER	0.436 INCHES MINIMUM AND 0.466 INCHES MAXIMUM
HEAD HEIGHT	0.590 INCHES NOMINAL
HEAD STYLE	KNURLED NO. 4
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL ACCOMMODATED THICKNESS	0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM
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	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD
MATERIAL	ALUMINUM ALLOY 6061 HEAD
MATERIAL	STEEL COMP 302 SPRING
MATERIAL	STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 384 OR STEEL COMP 385 FASTENER
NOMINAL THREAD DIAMETER	0.190 INCHES
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD
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 SPRING
SURFACE TREATMENT	ANODIZE HEAD
SURFACE TREATMENT	PASSIVATE FASTENER
SURFACE TREATMENT	PASSIVATE SPRING
THREAD CLASS	3A
THREAD LENGTH	0.250 INCHES NOMINAL
THREAD DIRECTION	RIGHT-HAND
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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