5305-01-420-7643, SCREW ASSEMBLY,PANEL

6515-01-420-7644 SYRINGE,FLUID DISPENSING

National Stock Number:
5305-01-420-7643

Federal Supply Class:
5305

National Item Identification Number:
014207643

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:

11200170-1	34860	NORTHROP GRUMMAN SYSTEMS CORPORATION
CA28106C06-6HS	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.

Techincal Specification:

THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD DIAMETER	0.138 INCHES
THREAD QUANTITY PER INCH	32
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.297 INCHES MINIMUM AND
	0.327 INCHES MAXIMUM
FASTENER LENGTH	0.360 INCHES MINIMUM AND
	0.390 INCHES MAXIMUM
MATERIAL	STEEL COMP 302 SECONDARY WASHER
	STEEL CORROSION RESISTING PRIMARY WASHER
	STEEL COMP 302 SPRING
	STEEL CORROSION RESISTING STAND-OFF
	IRON ALLOY 660 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5059 COND A MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER
	QQ-S-763 SERIES 300 FED SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER
	ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE SPRING
	ASTM A484 SERIES 300 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF
	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENT	PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE	FLAT CHAMFER
HEAD DIAMETER	0.280 INCHES MINIMUM AND
	0.320 INCHES MAXIMUM
INTERNAL DRIVE STYLE	HEXAGON
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
FEATURES PROVIDED	FLAT WASHER AND
	LOCK WASHER

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