5305-01-091-2039, SCREW ASSEMBLY,PANEL

5305-01-091-2038 SCREW,MACHINE

5970-01-091-2040 INSULATOR,PLATE

National Stock Number:
5305-01-091-2039

Federal Supply Class:
5305

National Item Identification Number:
010912039

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:

51-18-410-24	94222	SOUTHCO INC
579R753H28	48306	NORTHROP GRUMMAN SUPPORT SERVICES CORP
579R753H28	97942	NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

FASTENER LENGTH	0.875 INCHES MINIMUM AND 0.906 INCHES MAXIMUM
HEAD DIAMETER	0.310 INCHES NOMINAL
HEAD HEIGHT	0.190 INCHES NOMINAL
HEAD STYLE	KNURLED NO. 4
INTERNAL DRIVE STYLE	SLOT
MATERIAL ACCOMMODATED THICKNESS	0.052 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL	STEEL COMP 305 STAND-OFF
MATERIAL	STEEL COMP 303 FASTENER
NOMINAL THREAD DIAMETER	0.138 INCHES
SPECIAL FEATURES	HEAD STRAIGHT KNURLED
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 STAND-OFF
SURFACE TREATMENT	PASSIVATE FASTENER
SURFACE TREATMENT	PASSIVATE STAND-OFF
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.280 INCHES NOMINAL
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)

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