5305-01-410-6628, SCREW ASSEMBLY,PANEL

5305-01-410-6629 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-410-6628

Federal Supply Class:
5305

National Item Identification Number:
014106628

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:

21T03-1-12-2AA	71286	HOWMET GLOBAL FASTENING SYSTEMS INC
SM-A-912745-2	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

FASTENER LENGTH	0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
HEAD DIAMETER	0.340 INCHES NOMINAL
HEAD HEIGHT	0.300 INCHES MAXIMUM
HEAD STYLE	KNURLED NO. 3
INTERNAL DRIVE STYLE	SLOT
MATERIAL ACCOMMODATED THICKNESS	0.048 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	18-8, 300 SERIES FED STD ALL MATERIAL RESPONSES FASTENER
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF
MATERIAL	ALUMINUM ALLOY 7075 STAND-OFF
MATERIAL	STEEL FASTENER
NOMINAL THREAD DIAMETER	0.190 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-5541 CL3 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT	CHROMATE STAND-OFF
SURFACE TREATMENT	PASSIVATE FASTENER
THREAD CLASS	3A
THREAD DIRECTION	RIGHT-HAND
THREAD LENGTH	0.295 INCHES MINIMUM AND 0.325 INCHES MAXIMUM
THREAD QUANTITY PER INCH	32
THREAD SERIES DESIGNATOR	UNF

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