5220-01-643-5424 GAGE,PLUG,PLAIN CYLINDRICAL 5305-01-643-5388 SCREW,TAPPING

National Stock Number:
5305-01-643-5025

Federal Supply Class:
5305

National Item Identification Number:
016435025

Description:
SCREW,EXTERNALLY RELIEVED BODY


Manufacturer Information:
P114071FS1.750SS1251506ACCURATE SCREW MACHINE CORP
PL2784ITEM08020950ESPEY MFG AND ELECTRONICS CORP


Techincal Specification:
HEAD HEIGHT0.207 INCHES MINIMUM AND 0.237 INCHES MAXIMUM
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
PART NAME ASSIGNED BY CONTROLLING AGENCYFILLISTER HEAD CAPTIVE SCREW
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT STYLECONE
POINT CHAMFER ANGLE82.0 DEGREES NOMINAL
POINT LENGTH0.86 INCHES NOMINAL
SPECIAL FEATURESPREFIX "P" TO PART NUMBER REFERS TO "LEAD POINT"
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD DIAMETER0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM
FASTENER LENGTH1.750 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1


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