5305-01-177-9742, SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-177-9742

Federal Supply Class:
5305

National Item Identification Number:
011779742

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:

13084231	04939	LOCKHEED MARTIN CORPORATION
13084231	58260	PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH
CA28027B-8HS	29372	HOWMET GLOBAL FASTENING SYSTEMS INC.

Techincal Specification:

HEAD DIAMETER	0.310 INCHES NOMINAL
HEAD STYLE	FLAT CHAMFER
INTERNAL DRIVE STYLE	HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE SECONDARY WASHER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING
MATERIAL	STEEL COMP 302 SPRING
MATERIAL	STEEL COMP 303SE OR STEEL COMP 303 FASTENER
MATERIAL	STEEL COMP 303SE OR STEEL COMP 303 PRIMARY WASHER
MATERIAL	STEEL COMP 303SE OR STEEL COMP 303 SECONDARY WASHER
MATERIAL	STEEL COMP 303SE OR STEEL COMP 303 STAND-OFF
NOMINAL THREAD DIAMETER	0.190 INCHES
WIDTH ACROSS FLATS	0.156 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 CL3 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 CL3 MIL SPEC SINGLE TREATMENT RESPONSE SPRING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-13924 CL3 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT	OXIDE FASTENER
SURFACE TREATMENT	OXIDE STAND-OFF
SURFACE TREATMENT	OXIDE SPRING
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	UNF

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