5305-00-472-3209 SCREW,MACHINE Index 5310-00-472-3214 WASHER,FLAT

National Stock Number:
5310-00-472-3211

Federal Supply Class:
5310

National Item Identification Number:
004723211

Description:
NUT,SELF-LOCKING,BLIND RIVET

Detail:
A METALLIC HEADED FASTENER HAVING INTERNAL THREADS FOR A PORTION OF THE FULL LENGTH. IT MAY HAVE A SMOOTH, HEXAGON OR SPLINED SHANK WITH AN OPEN OR CLOSED END. IT IS DESIGNED TO BE EXPANDED TIGHTLY AGAINST THE MATERIAL IT IS BEING INSTALLED IN BY MEANS OF A SPECIAL TOOL. THE ITEM MUST HAVE A SPECIFIED GRIP RANGE. THE GRIP RANGE IS THE THICKNESS OF THE MATERIAL THE ITEM IS BEING INSTALLED IN. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.


Manufacturer Information:
65010-428-556878SPS TECHNOLOGIES, LLC
C858-428-581755LOCKHEED MARTIN CORPORATION


Techincal Specification:
HEAD HEIGHT0.072 INCHES NOMINAL
HEAD MAJOR COUNTERSINK ANGLE76.0 DEGREES NOMINAL
HEAD MINOR DIAMETER0.372 INCHES NOMINAL
HEAD STYLEELIPTICAL COUNTERSUNK
HEAD MAJOR DIAMETER0.438 INCHES NOMINAL
HEAD MINOR COUNTERSINK ANGLE60.0 DEGREES NOMINAL
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CL 304,COND A FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763,CL 305 FED SPEC 2ND MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 304 OR STEEL COMP 305 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT DIAMETER0.327 INCHES NOMINAL
NUT GRIP RANGE+0.280 TO 0.340 INCHES
NUT LENGTH0.797 INCHES NOMINAL
NUT STYLEBLIND RIVET W/SMOOTH ROUND SHANK
SHANK END TYPECLOSED
SURFACE TREATMENTPASSIVATE OVERALL
TEMP RATING450.0 FAHRENHEIT NOMINAL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNF
THREAD QUANTITY PER INCH28


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