5305-01-439-3247, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-439-3247

Federal Supply Class:
5305

National Item Identification Number:
014393247

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:

12421366	076M6	AMZ ALABAMA INC.
12421366	0FW39	BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP
12421366	19207	U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

COLOR	OLIVE DRAB FASTENER
COLOR	OLIVE DRAB RING
COLOR	OLIVE DRAB STAND-OFF
EXTERNAL THREAD TOLERANCE CLASS	6G
FASTENER LENGTH	85.0 MILLIMETERS NOMINAL
HARDNESS RATING	44.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM STAND-OFF
HEAD HEIGHT	5.30 MILLIMETERS NOMINAL
HEAD STYLE	HEXAGON
INTERNAL DRIVE STYLE	W/O INTERNAL DRIVE
MATERIAL ACCOMMODATED THICKNESS	3.0 MILLIMETERS NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A304 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE RING
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM F568 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL	STEEL COMP 4140H OR STEEL COMP 8740 STAND-OFF
MATERIAL	STEEL FASTENER
MATERIAL	STEEL RING
NOMINAL THREAD DIAMETER	1.25 MILLIMETERS
WIDTH BETWEEN FLATS	13.0 MILLIMETERS NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT	ZINC AND CHROMATE FASTENER
SURFACE TREATMENT	ZINC AND CHROMATE RING
SURFACE TREATMENT	ZINC AND CHROMATE STAND-OFF
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	38.0 MILLIMETERS NOMINAL
THREAD SERIES DESIGNATOR	M

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