5305-01-249-7865, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-249-7865

Federal Supply Class:
5305

National Item Identification Number:
012497865

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:

0N507678	98230	NATIONAL SECURITY AGENCY
47-99-142-10	94222	SOUTHCO INC

Techincal Specification:

THREAD SERIES DESIGNATOR	UNF
NOMINAL THREAD DIAMETER	0.190 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	2A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.406 INCHES NOMINAL
MATERIAL	ALUMINUM ALLOY 6061 BEARING SURFACE OF HEAD
	STEEL COMP 304 SPRING
	STEEL COMP 304 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE BEARING SURFACE OF HEAD
	QQ-S-423 FORM I COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING
	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE BEARING SURFACE OF HEAD
	PASSIVATE SPRING
	PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-F-14072 E513 MIL SPEC SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
	MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE SPRING
	MIL-F-14072 E300 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
HEAD STYLE	KNURLED NO. 4
HEAD DIAMETER	0.500 INCHES NOMINAL
HEAD HEIGHT	0.406 INCHES NOMINAL
MATERIAL ACCOMMODATED THICKNESS	0.190 INCHES MINIMUM

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