5305-01-309-1522, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-309-1522

Federal Supply Class:
5305

National Item Identification Number:
013091522

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:

13084867-2	04939	LOCKHEED MARTIN CORPORATION
13084867-2	58260	PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH
CA28080-08B-6HS	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.

Techincal Specification:

FASTENER LENGTH	0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
HEAD DIAMETER	0.285 INCHES MINIMUM AND 0.315 INCHES MAXIMUM
HEAD HEIGHT	0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 1
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL ACCOMMODATED THICKNESS	0.062 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING
MATERIAL	STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 303CU OR STEEL COMP 303MA OR STEEL COMP 304 OR STEEL COMP 304L FASTENER
MATERIAL	STEEL COMP 302 SPRING
MATERIAL	STEEL COMP 303 OR STEEL COMP 303 PLUS X OR STEEL COMP 303SE OR STEEL COMP 416 OR STEEL COMP 303PB OR STEEL COMP 303MA STAND-OFF
NOMINAL THREAD DIAMETER	0.164 INCHES
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNIFIED NATIONAL COARSE (UNC)
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT	OXIDE OVERALL
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM

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