5305-01-627-8238, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-627-8238

Federal Supply Class:
5305

National Item Identification Number:
016278238

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:

JSFB46	81755	LOCKHEED MARTIN CORPORATION
JSFB46-08-12	09094	QRP INC
JSFB46-08-12	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.
JSFB46-08-12	58794	FASTENER TECHNOLOGY CORP
JSFB46-08-12	81755	LOCKHEED MARTIN CORPORATION

Techincal Specification:

FASTENER LENGTH	0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM
HEAD DIAMETER	0.295 INCHES MINIMUM AND 0.325 INCHES MAXIMUM
HEAD STYLE	FLAT FILLISTER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5640 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR ASTM A484,ASTM A582,ASTM A555 OR ASTM A581 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE SLEEVE
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 OR AMS 5737 NATIONAL SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A313 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE SPRING
MATERIAL	IRON ALLOY 660 FASTENER
MATERIAL	STEEL COMP 302 SPRING
MATERIAL	STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X SLEEVE
III PART NAME ASSIGNED BY CONTROLLING AGENCY	CAPTIVE SCREW ASSY,FLOATING,SPRING LOADED
PROPRIETARY CHARACTERISTICS	PACS
MINIMUM TENSILE STRENGTH	140000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER	0.1640 INCHES
SPECIAL FEATURES	TO BE USED WITH NUT RETAINER JSFN32C08*;SCREW FLOAT SHALL BE 0.020 MINIMUM TOTAL;SLEEVE IS INTERNALLY THREADED PER FED-STD-H28 AND IS 0.2500-28;SEATING TORQUE IS 19.0 LBS MIN/29.0 LBS MAX
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2700 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNJC

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