5305-01-177-0878 SCREW,CLOSE TOLERANCE Index 5305-01-177-0880 SCREW ASSEMBLY,PANEL

National Stock Number:
5305-01-177-0879

Federal Supply Class:
5305

National Item Identification Number:
011770879

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:
11448911-218876U S ARMY AVIATION AND MISSILE COMMAND
CA3051-8P29372HOWMET GLOBAL FASTENING SYSTEMS INC.
CA3051-8PD0680FAIRCHILD FASTENERS EUROPE CAMLOC GMBH


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.360 INCHES MINIMUM AND
0.390 INCHES MAXIMUM
FASTENER LENGTH0.485 INCHES MINIMUM AND
0.515 INCHES MAXIMUM
MATERIALSTEEL COMP 302 OR
STEEL COMP 304 OR
STEEL COMP 305 OR
STEEL COMP 316 OR
STEEL COMP 321 OR
STEEL COMP 347 SPRING
STEEL COMP 303 OR
STEEL COMP 305 FASTENER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-423 FED SPEC ALL MATERIAL RESPONSES SPRING
AMS5640 ASSN STD 1ST MATERIAL RESPONSE OR
ASTM A582 ASSN STD 2ND MATERIAL RESPONSE FASTENER
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLEFILLISTER
HEAD DIAMETER0.390 INCHES MINIMUM AND
0.420 INCHES MAXIMUM
INTERNAL DRIVE STYLECROSS RECESS TYPE II


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