5305-01-290-2706 SCREW,CLOSE TOLERANCE Index 5330-01-290-2708 PACKING,PREFORMED

National Stock Number:
5305-01-290-2707

Federal Supply Class:
5305

National Item Identification Number:
012902707

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:
2877556-152088LOCKHEED MARTIN CORPORATION
DRB7500HS-10-C-30HDW7HUCK INTERNATIONAL, INC.
DRB7500HS-10-C-317446HUCK INTERNATIONAL, INC
DRB7500HS-10-C-397928HUCK INTL INC


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.250 INCHES NOMINAL
FASTENER LENGTH0.677 INCHES NOMINAL
MATERIALALUMINUM ALLOY 6061 HEAD
STEEL COMP 302 SPRING
STEEL COMP 302 OR
STEEL COMP 304 OR
STEEL COMP 305 OR
STEEL COMP 316 OR
STEEL COMP 321 OR
STEEL COMP 347 OR
STEEL COMP 384 OR
STEEL COMP 385 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD
ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING
ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
SURFACE TREATMENTANODIZE HEAD
PASSIVATE SPRING
PASSIVATE FASTENER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 TY 1 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
HEAD STYLEKNURLED NO. 4
HEAD DIAMETER0.436 INCHES MINIMUM AND
0.466 INCHES MAXIMUM
HEAD HEIGHT0.590 INCHES NOMINAL
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
MATERIAL ACCOMMODATED THICKNESS0.126 INCHES MINIMUM AND
0.187 INCHES MAXIMUM


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